Case Sensitive - Season 1 - Eps 1: The Point of Rescue (1)
When the bodies of a mother and her young daughter are found in the bathroom of their luxury home, new DS Charlie Zailer and her junior colleague DC Simon Waterhouse investigate. The pair immediately clash, disagreeing over whether the case is a murder-suicide or something even more sinister. Elsewhere, young mother Sally Thorne tells her best friend that she had an affair with the husband of the dead woman, and her friend warns her to stay away.
About Case Sensitive

Title: Case Sensitive
First Air Date: 2011-05-02
Last Air Date: 2012-07-13
Status: Ended
Rating: 6.786/10 (from 14 votes)
Language: EN
Seasons: 2
Total Episodes: 4
Network: ITV1
Genres: Drama, Crime, Mystery
Production Companies: Unknown
Synopsis
When Geraldine Bretherick and her 5-year-old daughter Lucy are found dead in the bathroom of their luxury home, the case divides new DS Charlie Zailer and her DC Simon Waterhouse. Is it a murder-suicide or something even more sinister, and how watertight is the alibi of the apparently distraught husband Mark? Meanwhile, when Sally Thorne, a young working mother with a husband and two small children hears of the deaths, she is deeply shocked. Months before sheβd met a man called Mark Bretherick at a hotel and they had a brief but passionate affair. Now, against the advice of her best friend, Esther, Sally feels the need to get in touch with Mark again to offer her sympathy.
Cast

Olivia Williams
Charlie Zailer

Darren Boyd
Simon Waterhouse

Peter Wight
Robbie Proust

Ralph Ineson
Colin Sellars

Eva Birthistle
Ruth Blacksmith

Theo James
Aidan Harper

Emily Beecham
Mary Trelease