Jake realises he can't trust his boyfriend anymore. Robert is forced to confront his marital betrayal. A ex-squaddie who is suffering heavily from PTSD loses his grip on reality and puts the squads life in danger.

When she's held at gunpoint, Donna's quick thinking saves the day but has personal ramifications. And as Felix and Carl investigate the disappearance of a teenager, Carl gets a disturbing insight into his boss' life.

Following revelations about his son, Ryan loses his temper, and Jake witnesses a darker side of his mentor. Carl's chaotic personal life threatens a high-stakes case, and a runaway iguana plays cupid for Lino.

Fast-paced police drama. Felix investigates a kidnap case with more to it than meets the eye. Jo struggles with Robert's rejection and Carl is left to pick up the pieces.

An adrenaline-fuelled Saturday night in Brighton sees the team deal with a drugs death, a stakeout and a dog on cocaine. But it's a nightclub brawl that causes a personal crisis for Carl.

With an escaped prisoner on the loose, Carl and Felix investigate a spate of muggings on public school boys. Meanwhile, Jo investigates a distressing case that brings Jake and Ryan to blows.

Jake is humiliated when he makes a spectacular rookie error on Brighton Pier. Meanwhile, an eccentric drug dealer is finally in Jo's sights, but his esoteric musings prompt her to consider her life choices.

On his first day working with Ryan, rookie cop Jake faces a challenging shift on the Brighton streets. But, being the boss' son, Jake's biggest challenge is earning the respect of his new colleagues.