The sudden arrival of new Detective Constable Leila Hussain sets local tongues wagging – what brings this big city girl to the sleepy seaside town of Port Devine? It's clear that handsome duty inspector Finn O'Hare knows – and that Leila is fleeing serious danger in England. It's also clear that Finn and Leila will struggle to hide the truth from Finn's nosey but well-meaning mother Concepta and seasoned Sergeant Marlene.
When a burglar claims he saw a dead woman in a farmhouse, Leila and Finn call on elderly couple Gerard and Brenda Smith. Gerard claims Brenda is abroad, but Leila smells a rat. Finn warns Leila to tread carefully; being heavy handed with a well-loved neighbour could alienate the locals.
As Leila waits to hear if Callum has blown her cover, taxi-driver Barry drives into a young woman who flees the scene of the accident. Barry's bad day gets worse when Concepta spreads rumours about his ‘dangerous driving'.
Lovestruck Callum is jealous of Leila's handsome ‘friend'. Finn has more serious concerns, convinced the visitor is here to do Leila serious harm – and she's gone missing.
When Clint jeopardises his wedding, secret lovers Finn and Leila sort out the mess. But their romantic plans are scuppered by the reappearance of a face from the past.
Former Judge Ginette Prince sent a lot of dangerous people to prison in her time so, when someone sets fire to her home, the police officers wonder if the motive is revenge. However, Ginette’s been retired for years and the criminals she put away are no longer a threat, so vengeance seems unlikely.
When his wife’s former lover is arrested for assault, Finn can’t hide his jealous feelings – which makes Leila wonder if she’s made a terrible mistake.
When Finn’s daughter Niamh goes missing, he turns to Leila to get him through the worst day of his life.
As a tragic farming accident reveals all sorts of secrets, Leila is stunned when she finds out the truth about her love rival Siobhan.
Callum discovers that his girlfriend has been telling him a pack of lies. Meanwhile, Finn faces the most difficult decision of his life.
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.
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.
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.
Sparks fly when Marlene meets an outspoken farmer who hates the police. Meanwhile, a stressed-out Finn is pushed to breaking point.
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.
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.
The warm-hearted police drama set on the stunning Ulster coastline is back. Port Devine’s new detective, the mysterious Jo Lipton, hits the ground running when she drives into an armed prison break. As she takes control of the situation, Jo makes quite the impression – especially on Constable Callum McCarthy. Inspector Finn O’Hare has never felt closer to his mum Concepta as they do a charity bungee jump together – until his wife Siobhan forces Concepta to tell him the truth. At the Commodore bar, Nicole and Clint are bonding with nephew JJ. As fire takes hold of the pub, however, they might regret asking the supposedly reformed arsonist to light a whole load of candles.
With the pub a smoking ruin, Clint suspects that the fire-starter is someone close to home. Meanwhile things between Callum and new detective Jo get hot and heavy.
Nicole's not pleased when Clint's dodgy brother Sly arrives in Port Devine, determined to get their country & western band back together. Marlene makes a life-changing decision.
Shay survives a near miss with a maverick motorcyclist which leads the police officers into an investigation involving a bag of cannabis, a champion boxer and the northern lights.
When a house is burgled during the owner's funeral, the police soon identify a suspect. Their identity will rock Port Devine to its foundations.
Concepta is back in town, determined to ignore the fact that she's not Finn's birth mother – and carry on like nothing has changed. Will Finn be able to live with that?
When a dementia patient goes missing, the officers find themselves uncovering a tale of shipmates and stolen treasure. Callum discovers the real reason Jo came to Port Devine.
As Callum and Jo investigate whether a stag do prank has gone tragically wrong, Jo faces a heart-breaking decision. Clint storms out, driving Nicole into the arms of another.
When a new landowner threatens to cut down Port Devine’s much-loved ‘Raggedy Tree’, her plans are met with vandalism, burglary and a protest – in the form of Niamh and Ash chaining themselves to the tree.
Marlene spends her wedding day investigating car thefts; has this bride-to-be got cold feet? Clint’s world falls apart and Finn gets the shock of his life.
When Louise’s son turns up with a gun, Jo sees an opportunity to prove that Louise is a criminal. Meanwhile Finn’s birth mother Assumpta makes some very bad first impressions.
When Ryan discovers what has really been going on in his brother's seemingly happy marriage, he’s forced to make a momentous decision about his own relationship with Niamh.
When a taxi is burnt out, Finn worries that organised crime is coming to town in the shape of ex-con Aidan Hunter. The truth about Aidan is far more shocking.
As Finn considers a life-changing decision, Nicole tells Clint that she’s pregnant. The only problem is she’s not sure who the father is.
Marlene is appalled that Nicole isn’t planning to tell Callum she’s pregnant. Finn refuses to compromise himself as a police officer – with catastrophic consequences.
