The arrival of DC Leila Hussain sets tongues wagging - what brings this big city girl to a sleepy Northern Irish seaside town?
Cast:Kerri Quinn , Niall Wright , Des McAleer , Ciarán McMenamin , Brid Brennan , Aaron McCusker , Niamh McGrady , Rachel Tucker , Louis McCartney , Ellie Lavery , Amara Karan , Stephen Hagan , Sade Malone , Meghan Tyler , Ian Kenny , Azan Ahmed , Chris Mohan , Michael Shea
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.
Finn investigates shooting and he struggles to keep his temper. Marlene goes extra mile for Nicole, alienating Barry in the process.
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.
As the whole town searches for a missing mother, 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 own daughter's skin.
Sparks fly when Marlene meets an outspoken farmer who hates the police. Meanwhile a stressed-out Finn is pushed to breaking point
Feathers are ruffled when Port Devine's champion pigeons are stolen. And, as Finn falls to pieces, a frustrated Siobhan turns her attentions elsewhere.
An investigation into a drug-spiking pushes Finn over the edge - and he ends up injuring one of his own officers. Meanwhile Callum discovers Siobhan and Al's secret.
A fishing trip ends in disaster when the boat's engine blows up - who's to blame? Callum sees Al breaking the law - and tells Finn that Al is a corrupt cop.
As the police officers investigate a daring robbery at the local whiskey distillery, Al is exposed as a liar and thief - and Concepta drops a massive bombshell.