Suspects - Season 1 - Eps 2: Calling Card
Jack and Charlie investigate an assault on the owner of the Green Pit nightclub in east London and discover the victim's sister unconscious in the cellar, with blood pouring from a head wound. The detectives' efforts to piece together what happened are hampered by the lack of CCTV footage, and the case takes a confusing turn when a 19-year-old student is found dead with a flyer for the club in his pocket.
About Suspects

Title: Suspects
First Air Date: 2014-02-12
Last Air Date: 2016-08-31
Status: Ended
Rating: 5.286/10 (from 21 votes)
Language: EN
Seasons: 5
Total Episodes: 23
Network: 5
Genres: Crime, Drama
Production Companies: Newman Street
Synopsis
Set in London, each episode is a self-contained story, starting with a news report, then following the team of three detectives as they investigate the circumstances the crime. The cases themselves are hard-hitting with contemporary themes, such as the search for a soldier with PTSD, a murder that has been made to look like an assisted suicide and the gang rape of a young teenager.
Cast

Damien Molony
DS Jack Weston

Clare-Hope Ashitey
DC Charlie Steele

Fay Ripley
DI Martha Bellamy