Libra City : a town which itself represents a human’s sense of discrimination. A young female detective Sonia gets relegated to Outside from Upper Town. Right after her arrival, she starts following the serial drowning cases, and meets a man who fights against the criminal without being noticed. His name is BEM. Now their gears of fate quietly begin to spin.

BELA, living as a high school girl in Upper Town gets spoken to by a female. That female Elene says BELA’s face looks exactly like her friend Mary, who went missing 10 years ago. Meanwhile, after the continuous rain, Mary’s skeletal remains is found in a ruin in Outside. Actually, there is a hidden truth about BELA’s face.

BELO, an unbeaten gamer in Outside's arcade gets a challenger. That man's name is Daryl. Daryl soon gets to like BELO and takes him to his home. Daryl's father is a secretary of a politician who pursues reform of Libra City. Then a shadow man comes, who keeps on killing politicians.

Evil entities have started to make a move against Bem and the others. As Sonia follows a string of mysterious murders, she becomes convinced that the creatures she had seen are involved. At the same time, another mysterious entity begins to move as well.