A gangster organization, Miran, a brilliant female killer who was asked to kill three executives of the Ryutoragumi. After finishing her work, she decided to hide in Okinawa for a while at the request of the organization. One day, Miran, who enjoys Okinawa, meets Shinshiro, a man with a strange atmosphere at the sea. He had just come out of prison, half-killing his ex-wife and his lover who had abusively killed his child. Shinshiro confesses to Miran his plans to kill her ex-wives, saying, "Revenge isn't over." Miran, who has spared her spare time, decides to drive him to her ex-wife. Meanwhile, within the organization, a plot over Miran was secretly underway ...