1Underwater
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.
2The Arrival
Jo's actions bring an unwelcome visitor to Waterside, who threatens to expose her secret investigation.
3Connections
Jo is troubled by Lee's connection to Tasha and Daniel, and Pat grows suspicious as she continues with her investigation.
4In Too Deep
As the investigation escalates and suspicion builds around Tasha, Jo finally makes a breakthrough and Molly finds herself in danger.
5Gathering Storm
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.
6Breaking Cover
Jo finally gets the answers that she has been searching for, but the truth will change everything.