Platform Seven at 4am: Peterborough Railway Station is deserted. The man crossing the covered walkway on this freezing November morning is confident he's alone. As he sits on the metal bench at the far end of the platform it is clear his choice is strategic - he's as far away from the night staff as he can get. What the man doesn't realise is that he has company. Lisa Evans knows what he has decided. She knows what he is about to do as she tries and fails to stop him walking to the platform edge. Two deaths on Platform Seven. Two fatalities in 18 months - surely they're connected?

Hampshire, UK, 2015. When Chloe Harper’s beloved grandmother, Lena dies, a stranger hands her Lena’s wartime diary. Chloe sets out to uncover deep family secrets that Lena guarded to her grave. Darjeeling, India, 1943, Lena Chatterjee leaves the confines of a strict boarding school to work as assistant to Lieutenant George Harper, an officer in the British Indian Army. She accompanies him to Nepal and deep into the Himalayas to recruit Gurkhas for the failing Burma Campaign. There, she discovers that Lieutenant Harper has a secret, which she vows never to reveal.

Susie and Stella have nothing in common, except for the fact that they're married to the same man - private detective Mike Hazard. When Mike suddenly disappears, the women discover his double life. The two women soon find out that Mike is keeping more secrets than just his infidelity and his actions soon put them in danger with both sides of the law. They must now track down a missing husband while finding a way to stay alive...

After an uneventful Friday at the Dublin office, Cathal faces into the long weekend and takes the bus home. There, his mind agitates over a woman named Sabine with whom he could have spent his life, had he acted differently. All evening, with only the television and a bottle of champagne for company, thoughts of this woman and others intrude - and the true significance of this particular date is revealed.

Nash Rankin is a disgraced cop trying to escape his past—his career was destroyed when he chose to take justice into his own hands. Now he's living a quiet life in a small town caring for the local wildlife and trying to stay away from trouble. Jesse Redpath has a new job in a new town, Satellite—the stormy weather that greets her first few days on the new beat seems like a sign for what's to come. A local has died in what seems like an accident, but Jessie isn't so sure that ‘accident' wasn't planned. All evidence seems to point to Nash, but Jesse's not sure about that either.