When an ATM machine is stolen, new detective Al crosses a line to save someone he loves. Meanwhile, Finn struggles to cope – and has a difficult conversation with Siobhan.

Sparks fly when Marlene meets an outspoken farmer who hates the police. Meanwhile, a stressed-out Finn is pushed to breaking point.

Finn is away receiving treatment for his PTSD, so Concepta takes his place on a fishing trip with Shay and Barry. Their pleasure cruise goes horribly wrong, however, when the boat’s engine explodes – and crew member Brendan is seriously injured.

Detective Constable Al Quinn is in trouble. Callum has told Finn that Al is a corrupt cop. Al manages to convince Finn that Callum is mistaken, but things go from bad to worse when Jake McGrade assaults a security guard and steals a million pounds worth of whiskey from the Port Devine distillery.

When a car is pulled from Port Devine harbour, the whole town searches for a missing mother. Meanwhile, Al kisses someone he shouldn’t.

As the police officers fight to secure a grieving daughter’s birthright, Al does something truly terrible to save his daughter’s skin.

Marlene is faced with a problem when some prize-winning racing pigeons are stolen – she’s allergic to birds. As a result, Al and Callum investigate the theft.

Still reeling from the state she found her dad in last night, Niamh suggests he might be suffering from post-traumatic stress disorder following his car crash. A furious Finn flies off the handle – Niamh doesn’t know what she’s talking about.

Niamh and Shay are partying on the beach when a hooded figure rugby tackles a lad to the ground. The figure reveals himself as Niamh and Shay’s dad, Inspector Finn O’Hare; he saw the lad trying to sell drugs to the kids.

As Finn investigates a shooting, he struggles to keep his temper. Marlene goes the extra mile for her best friend Nicole, alienating stepdad Barry in the process.