Official poster for The Water, the 2026 Thai GL series from the 4 Elements project

The Water

CompletedTV Series🇹🇭

What happens

A spy who applies for the receptionist job, and a boss who reads her file before the interview ends. That is the opening bargain of The Water (นทีร้อยเล่ห์, Nathi Roi Le), the second series in the 4 Elements GL universe, starring Engfa Waraha and Charlotte Austin.

Two hotel empires are at war. On one side stands Watin Group, run day to day by Apo Watinwanich, nicknamed Nam, a sharp executive who is famously hard to read and almost never off duty. On the other side is Watchara Group, headed by Pheemdech. Chonlada, called Lada, is his secret daughter. Her father underestimates her, and she badly wants to prove him wrong.

So when her half brother Phat offers her a mission, she takes it. Lada joins the Watin hotel as a new receptionist with orders to dig up secrets and sabotage the competition. She is good at chaos and less good at staying invisible, and she keeps ending up in Apo's orbit at the worst possible moments. Apo, for her part, sees through the cover story far earlier than Lada thinks, and chooses to play along to keep her close and out of danger.

The deception gets complicated fast. Every task Phat hands Lada means hurting the woman she is starting to trust, and every kindness from Apo makes the plan harder to carry out. Rumours spread through the staff, family pressure builds on both sides, and a second mole turns up in the hotel. The series asks what happens when a scheme built on revenge runs straight into real feeling, and which one reaches the finish line first.

CONTENT DETAILS

Native Title
นทีร้อยเล่ห์
Original Title
The Water
Also Known As
นทีร้อยเล่ห์, Nathi Roi Le, 4 Elements: The Water, บ้านวาทินวณิช 4 Elements
Adaptation
Novel: The Water from the 4 Elements series by Salmon
Themes
Key Themes
Undercover employeeRival hotel groupsSecret daughterExecutive romanceShared universeFamily loyalty
Country
Language
Thai
Seasons
1
Episodes
8
Duration
About 62 to 99 minutes
Aired Start
Aired End
Release Year

MAIN CAST & CHARACTERS

Before You Watch

  • Eight episodes: aired on Saturdays at 20:30 on Channel 7HD from 21 March to 9 May 2026.
  • Rival family: Phol Tantasathien plays Pheemdech and Asavarid Pinitkanjanapun plays his son Phat.
  • Source: adapted from the novel The Water by Salmon, part of her 4 Elements series.
  • Studio: produced by North Star Entertainment and directed by Kittisak Cheewasatjasakun.
  • Episode length: roughly 62 to 99 minutes each.

Reviewed by Renkaze

7/10

An undercover receptionist, a CEO who already knows, and two families who would rather buy each other's hotels than share a lift. Uff, The Water knows exactly which tropes it is playing with, and it plays them with a straight face and a wink.

Dramatic irony as a love language

The smartest choice in The Water is letting Apo see the trick early. Lada thinks she is running a con; Apo is running a quieter one in reverse, keeping the spy near so nobody else can use her. That flips the usual power balance. The executive becomes the protector, the saboteur becomes the one being looked after, and every scene between them carries a secret that only one of them knows she shares. It turns a corporate espionage plot into something closer to a game of patience.

Engfa and Charlotte

Engfa Waraha plays Apo with stillness and very dry humour, a woman who gives orders in a whisper and gets obeyed. Charlotte Austin brings Lada the energy of someone who talks before she thinks and then commits to whatever she said. The two already led Petrichor, and here they each sing an OST as well: Engfa on Is This Love? and Charlotte on Lucky Me.

A shared universe on a Saturday night

The Water sits second in the four series project from North Star Entertainment, and the cousins drop in to remind you the house is bigger than one couple. Apple Lapisara appears as Din, the lead of The Earth, with Mim Panthita as Rose. Freen Sarocha turns up as Lom, the cousin who leads The Air. If you watch the four in order, the family dinners start to feel like checkpoints.

The rival family

Phol Tantasathien gives Pheemdech the cold authority of a father who measures his children in results, and Asavarid Pinitkanjanapun's Phat is the brother who keeps raising the stakes. Their pressure is what keeps Lada's choices interesting, because every move toward Apo costs her something at home.

Who steers it

Kittisak Cheewasatjasakun directs all four elements, adapting the novels by Salmon, and the episodes run long, often past an hour. That length gives the office comedy room to breathe.

Fair warning

The family feud runs on melodrama logic, so accept that two hotel groups can treat a receptionist as a weapon of war. In return you get eight episodes of an executive pretending not to notice the spy at her front desk, which is my favourite kind of office politics.

My tip: watch episode five for the company event where the distance between them finally breaks, then keep going for the reveal in episode six.

Final Score: 7/10

LEAD & SIDE COUPLES

Engfa Waraha
Charlotte Austin
Engfa WarahaEngLotCharlotte Austin
Since 2023● Current

View Couple

188

Best Scenes

Spoilers ahead. Episode numbers and outcomes are named, so come back after watching if you want to keep it fresh.

Episode 2 (spoilers): The cover story. A maid spots Lada leaving Apo's office in the small hours and gossip sweeps the staff, so Lada claims they were discussing her promotion to Apo's secretary.

Episode 5 (spoilers): The company event. Apo tells Lada that the distance between them hurts more than any outsider could, and Lada finally accepts her courtship.

Episode 6 (spoilers): The reveal. After winning a major tourism bid, Apo tells Phat she knew Lada's identity all along, and Lada, overhearing, runs away believing the love was never real.

Episode 8 (spoilers): The tulip ring. Lada storms back to beg Apo not to resign as CEO, and Apo answers with a proposal.

Themes and Messages

Loyalty is the currency of The Water. Lada is loyal to a family that treats her as a pawn, and the series asks when loyalty stops being a virtue and starts being a trap. Apo shows the other side: care that does not demand anything back. The hotel setting turns the theme into daily practice, since every shift at the front desk is a test of whose side Lada is really on, and the romance grows exactly as fast as she lets herself choose.

Did You Know?

  • Engfa sings the OST Is This Love? and Charlotte sings Lucky Me, both written by Paween Wongrat and released by NorthStar Music.
  • The cast includes several Miss Grand Thailand 2025 finalists, among them Suchita Oxman, Michelle Behrmann, Chutima Sodaphak and Panichada Kongsawanya.
  • 4 Elements was first announced on 12 January 2025 at the Idolfactory Project Line up 2025 event.
  • The press conference for the whole project took place on 25 April 2025 at River Park, Iconsiam, where the Saturday 20:30 slot on Channel 7HD was announced.

OFFICIAL TRAILER

OFFICIAL OST

Episode guide: The Water

8 / 8 episodes aired · Completed
EP 1
21 Mar 2026
Aired
EP 2
28 Mar 2026
Aired
EP 3
04 Apr 2026
Aired
EP 4
11 Apr 2026
Aired
EP 5
18 Apr 2026
Aired
EP 6
25 Apr 2026
Aired
EP 7
02 May 2026
Aired
EP 8
09 May 2026
Aired

FREQUENTLY ASKED QUESTIONS

Who plays Apo and Lada in The Water?

Engfa Waraha plays Apo "Nam" Watinwanich, the Watin Group executive, and Charlotte Austin plays Chonlada "Lada" Kunanon, the secret daughter of the rival family.

Where can I watch The Water legally?

It aired on Channel 7HD in Thailand, and the uncut version streams on iQIYI. North Star Entertainment posts trailers and episode previews on its official YouTube channel.

Is The Water part of a series?

Yes. It is the second of four linked GL dramas in 4 Elements, after The Earth and before The Air and The Fire. The four leads are cousins in the Watinwanich family.

Is there an official trailer for The Water?

Yes. North Star Entertainment released the official trailer and an official teaser on its YouTube channel.

Have Engfa and Charlotte worked together before?

Yes. They led Petrichor together, and The Water reunites them as the central couple.

Do I need to watch The Earth first?

No. Each element tells a complete love story, though the cousins appear across all four.

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