A murder investigation is launched in the steel town of Port Talbot, Wales, after the dead body of a local businessman is discovered in the marina.

Stevie Rose's widow, Patricia, astounds the police by offering a reward for information that might lead to the discovery of his murderer.

Sam is threatened by a colleague after he's wrongly accused of stealing from the warehouse; Cai pressures Sam into compensating him for his sacking and they make plans to stage a robbery.

Cai is eager to stage another robbery and Sam agrees to target Ray's builders' yard following an argument with his stepfather.

Sam panics when the police interview him about Cai; Gina comes across information that casts fresh light on her father's death.

Gina and Luke attempt to find the thieves who targeted the bar; Sam and Ela decide to disappear with heartbreaking consequences.