The Kenny family has been fishing the west coast of Ireland for generations. Now Ciara's brother Aidan puts the family's lives at risk by secretly arranging a drug route for a Swedish cartel.
Swedish narcotics detective Tuva Palsson heads for Roskillane, where Sgt Egan is sceptical about her theory that someone in his village might be involved in smuggling
Tuva continues her investigation into possible drug smuggling while investigating Björn. Aidan is receiving the equipment for the fish processing plant when he receives a disturbing call.