Follows DCI Joe Mottram, a star detective with the Metropolitan police who, after a personal tragedy, retreats to Capri in Italy with his daughter to stay with his Italian in-laws for the summer.

 The Gathering will centre around a violent attack on a teenage girl during a rave on a tidal islet. Set on Merseyside, the drama focuses on a group of teens from disparate backgrounds, each of whom could have committed the crime, along with their parents - who give equal cause for suspicion.