A Galway-based skipper of a small fishing boat takes drastic action to protect her family when her brother's dealings with a drug cartel go badly wrong.
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 the possible drug smuggling and also makes inquiries about Bjorn, while Aidan takes delivery of the fish-processing plant equipment.
Tuva's investigation is having an impact on the village, while Adamma goes to confront Aidan and makes a shocking discovery about his new business venture.
