An extremely assertive police chief who is great at reading people, takes in a young and awkward rookie officer who constantly misunderstands those he encounters.

Detective Hisashi Sawamura sets out on a mission to capture a brutal murderer who wears a frog mask, but he soon realizes the murderer's next target is his wife and son.

A newly recruited night security guard at the Museum of Natural History is faced with chaos when the exhibits come to life.