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.
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.