Set in early summer in Algonquin Bay when the blackflies aren’t the only ones out for blood, the film follows detectives John Cardinal and Lise Delorme finding themselves with a strange case on their hands involving a young woman with a gunshot wound to the head. The investigation quickly takes a turn as Cardinal and Delorme uncover a series of disturbing, ritualistic killings that may be connected to their young victim. Cardinal must work to identify the young woman before her attacker strikes again.