A woman's body washes up on a remote beach on the Inishowen Peninsula, partially clothed, with a strange tattoo on her thigh. Suicide? Accidental drowning due to the treacherous currents? Solicitor Ben (Benedicta) O' Keeffe thinks not as she digs deep into the woman's past, uncovering a terrifying doomsday cult which will not tolerate her interference. An atmospheric, treacherous, immersive mystery.