Ciara Kenny wakes at dawn and has no idea the day will change her life. Ciara's brother Aidan and his wife, Adamma, prepare for an important visit from their adoption Social Worker and Aidan's pre-occupied with his new fish processing business.

A Swedish narcotics detective inspects a parcel that washes up. She heads for Roskillane, where Garda Egan is sceptical about her theory that someone in his village might be involved in smuggling.

At Lenny's secluded RV encampment, his girlfriend, Hana, wakes up to find Lenny not only blasting loud music, but he is also high on drugs.

When Hana makes a shocking discovery at Lenny's place, Egan and the Dublin detective sent to investigate conclude it was an accident, but Tuva suspects there was cartel involvement. Meanwhile, Aidan and Ciara become further involved with the cartel.

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 is taken by Bryan to a flat on a run-down Dublin estate, and what transpires there has far-reaching consequences for both him and his wife.