The missing people in the old district have turning gears hidden beneath their skin? Former detective Lin Mo takes over his cousin’s detective agency and discovers that every case leads back to human experiments conducted in 1993. Policewoman Su Qing is accidentally infected with a gear virus, and the pocket watch left behind by her grandfather turns out to be the key to an alien test site governed by strange rules. When the gears devour the moonlight, the entire city will become a sacrifice... He must use reason and courage to find a way to survive beyond the rules!
