Bogeyman or B-men as he's known for his nickname was once known world wide as the fear that horrifies mankind many years ago but years later monster now are deformed creature that walk the world of mankind. While the old monster hide under the humans world underground. Each human town has a gate way to the monsters world also known as belladonna. Now monsters from He past live underground and go about their normal life. B-men is two different people. Among the monsters he's a drunk and a washed up has-been but among the humans he's known as a detective for he unknown. Fighting off monsters with his human stalker. Emily is a young high school girl who wanted to join B-men on his jobs. he refused but it doesn't stop her to hunt down her own monsters while unknown to the fact of B-men's true identity.