A detective hunts a killer who is removing girls hearts. When his own fiancée falls victim to the killer, the detective discovers the otherworldly intentions of the killer and is helped from beyond the grave by his fiancée.

Mina is murdered on her wedding day. After her sudden death, she finds herself at The Gate of Hatred and there she is given three choices on how to proceed in her afterlife. One, to accept death and await for reincarnation, two, to become a ghost and haunt the living forever or three, to seek revenge on her killer. With 12 days to decide, she chases after the killer who is trying to resurrect the King of darkness.—AsianWiki

A serial-murderer is removing his victims hearts and taking them with him. Kanzaki is a detective on the case. The day he is due to be married his fiancé, Mina, is killed displaying the same MO as the other victims. He discovers geneticist, Kudo, and Rei, his evil "secretary" to be the killers. When they have six hearts they will be able to summon demons from beyond the 'Gate of Rage' to grant any wish, but darkness will fall upon the earth. Mina becomes Guardian of the Gate of Rage, and must fight Kudo when he is killed. Kanzaki enters the world of the dead to protect her.—[email protected]