Ep 5. Series 1, Episode 5

DI Richard Poole investigates the murder of an elderly woman, who had no apparent enemies and lived a simple life. The only lead is a note found on the victim's body, leading to a seemingly abandoned apartment building. As the team investigates, they discover that the building houses a group of misfits, each with their own secrets and motives. Meanwhile, Richard also grapples with his own personal issues as his father visits him on the island. With tensions rising and new information coming to light, Richard and the team must work quickly to solve the case before the killer strikes again.