Take, a Japanese ex-contract killer who left the field two years ago because of the death of his love, Samantha, meets Josephine, a twin sister of Samantha at café. She tells him that she is seeking a vengeance for her sister, and wants Take's assistance. Take is forced to come back to the field once again when he is attacked by Hal, a contract killer and the one who Josephine believes is responsible for Samantha's killing. Yet, Take and Josephine do not know it is not just a simple vengeance they think it would be.