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.

An affluent couple living in a small seaside town are targeted by two local teenagers looking to make a quick buck. However, the break-in takes a dark turn when one of the youths winds up dead and an elaborate cover-up is staged to make the killing appear to be self-defence.

Inexperienced Otis channels his sex therapist mom when he teams up with rebellious Maeve to set up an underground sex therapy clinic at school.

After seven years in prison, David Collins is acquitted of the murder of his wife. Now, he must fight to rebuild his shattered life while police search for the real murderer.