The Boundary, the barrier that separates the Human Side from the Other Side, was torn asunder during the Third World War. Today, humanity lives side by side with beings once thought to only exist in myths and legends… Two worlds, one mission: To protect and serve. Welcome to Singapore, 2075, one of the few countries where humans and Othersiders live together peacefully post-World War Four. In charge of maintaining this delicate balance that has become one of Singapore’s boast of strength is the Singapore Police Department's Violent Othersider Incidents Division, a task force specializing in crimes involving Othersiders. Assisting them are an attachment of marshals from the Night-Sea Patrol, elite law enforcers from the Other Side kingdom of the Night-Sea. New attaché Hai Yue of the Night-Sea Patrol finds herself working alongside VOID's Third Investigation Squad, famous for its highly-regarded team leader and notorious for its troublemakers. Utilizing each of their unique abilities, the team encounters various dangers in their investigations, with humans sometimes proving themselves to be far worse than those they call 'monsters'...