The Samhain festival opens old wounds amid hidden threats. As their pursuit of the truth comes to an end, Dove, Gilbert and Emmy embrace new beginnings.
Gilbert Power, an American podcaster, travels to Bodkin, an Irish coastal town, to investigate a cold case involving the disappearance of three people during a Samhain celebration several decades prior. He is joined by Dublin-born Dubheasa "Dove" Maloney - an investigative journalist in London who is sent on assignment after the passing of her source, a government whistle-blower - and Emmy Sizergh, an aspiring journalist.