Ragnar and Lagertha's fleets depart Kattegat once more for Wessex but this time they bring settlers. King Ecbert hosts the Vikings and proposes a deal. Despite the misgivings of some of the other leaders, Ragnar leads his forces into battle once more, but this time as allies of Wessex.
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
