ANNA Friel romped in the bathroom with a married man as viewers admitted they're hooked on "sex mad" new drama Deep Water.
Anna's character, Lisa Kallis, was seen in the midst of a steamy affair with Steve Toussaint's Adam while at a dinner party in tonight's premiere episode of the show.
The pair had been seen flirting up a storm over the meal, with the two eventually getting down and dirty in the bathroom while Anna's partner waited downstairs.
In a move that shocked viewers, the pair risked getting caught as they left the bathroom door open during the romp.
Noticing the open door, Lisa left in a hurry - leaving her knickers behind as she realised that somebody had spotted them.
Fans were hooked by the saucy new drama, flocking to social media to share their thoughts.
One wrote: "They're either frigid or sex mad in Deep Water."
Another simply added: "Shag fest."
A third asked: "Anyone else hooked on Deep Water already?"
The six-episode series is set against the stunning backdrop of Lake Windermere, and follows the lives of Friel's Lisa, Roz - played by Sinead Keenan -, and Kate [Rosalid Eleazar].
The series is written by Anny Symon and adapted from the Windermere series of novels.
The main characters are complex, vibrant women who are desperately juggling work and home life and coping with the issues raised by modern parenting.
Deep Water continues next Wednesday at 9pm on ITV
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