First there was Father Brown. Now, say hello to Sister Boniface. This clever, moped-riding nun is the police's secret weapon for solving murders in this divine Father Brown spin-off.

London, modern day: Joe, a mild mannered young man is bored by his life. When his beloved brother is murdered Joe finds solace in Piggy, one of his brother's old friends. Piggy helps Joe to cope with grief, intent on saving him and helping him get justice for his brother's killing. As their friendship grows Joe finds himself in an increasing dangerous and murky world of violence and revenge. As Joe life collapses around him he starts to question who Piggy really is, and how honest he's really been with him. When Joe confronts Piggy a series of events are put in place that lead to a disastrous climax.

Five people appear in footage travelling to and exploring an abandoned military medical testing base obtained in a file box.

A young girl working in her father's Arabic restaurant is forced to decide which comes first - her dreams or her family.

Peace is declared in Northern Ireland after thirty years of troubles. The criminal empires that have existed during the troubles can no longer operate and are being shut down. George is released from prison and returns to his old working-class neighbourhood to resume his life and steer clear of trouble which includes his best friend Emmet. Nadine has also come back to Derry after many years away, she is the estranged daughter of the resident crime boss Simon McKnight and also George first love. When Emmet finds a bag of money belonging to a ruthless loyalist hit-man Giggles, George is compelled to help him one last time to return it. This step is too far and they are forced to enlist the help of a gang from the other side of the community.