When Garda Sergeant Jack Driscoll (Owen McDonnell) receives a midnight call to investigate activity on an isolated beach in the West of Ireland, he unwittingly stumbles into the middle of a Dublin run undercover operation.

When Daniel O Malley, the son of a local trawlerman, dies in his arms that night, Jack's search for answers meets unexpected resistance from the Dublin detectives as they seek to bring down a bigger national prize.