Joanna finds an unidentified man dead in a lift in a underground car park after a devastating flood, police assumes that he became trapped as the waters rose, but she is obsessed with discovering what happened to him.
Episode 1
After discovering a body after a devastating flood, PC Jo Marshall begins investigating the man's possible murder - however, pursuing the killer will change everything for her.
Episode 2
Jo's actions bring an unwelcome visitor to Waterside, who threatens to expose her secret investigation.
Episode 3
Jo is troubled by Lee's connection to Tasha and Daniel, and Pat grows suspicious as she continues with her investigation.
Episode 4
As the investigation escalates and suspicion builds around Tasha, Jo finally makes a breakthrough and Molly finds herself in danger.
Episode 5
With Pat now a part of her investigation, Jo and Tasha discover an unexpected side to Daniel's life and Jo closes in on the killer.
Episode 6
Jo finally gets the answers that she has been searching for, but the truth will change everything.
