Tremors

DS Sam Casey is suspended over the death of Finn Tyler and DI Wes Leyton gets hands on with this investigation, with a reluctant DS Ronnie Brooks as his partner. After a few drinks Jake opens up to new colleague Kate Barker about his mothers' death. We meet Ronnie's estranged daughter and follow Sam as he spends the day with his son, giving new insight into our heroes' off-duty lives.