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.

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.

At Lenny's secluded RV encampment, his sometimes girlfriend, Hana, wakes to find Lenny pumping the beats and high on drugs.

Bjorn is back from an overnight stay at the hospital; he dismisses Moira's concerns but it's clear Tuva's investigations have an impact on Bjorn and others in the village.

Banished from the house by Adamma, Aidan's taken by Bryan to a flat on a run-down Dublin estate and what transpires there has far-reaching consequences for him and his wife.

When a distraught Hana makes a shocking discovery at Lenny's place, Egan and the Dublin detective sent to investigate conclude it was a tragic accident.