The year is 2023, and an alien invader has infiltrated the human race.
In a dangerous future threatened by aliens and infiltrated by hybrids, archeologist Celene Dupres witnesses her father's murder. Vowing to avenge him and retrieve his precious alien relics, she finds the perfect ally and protector. But the man she trusts, the man with whom she is falling in love, is the secret agent sent to kill her. Kin, however is more than a killing machine. Despite his love for Celene, can he accomplish his gruesome mission, and save humanity from the threat embedded in her DNA?