Pankun is a baby panda who was abandoned in a forest where pandas live. His favorite possession is an old mitten that was in the box with him when he was abandoned. Pankun loves bread, and his tummy rumbles whenever he sees the two pieces of bread, Shokupan and Koppepan.

Patrol-kun is a talking police car, existing in a world where talking vehicles and humans live together. He starts his first day at a police station meeting up with his partner, a human police recruit by the name of Hajime. Together, they patrol the streets of Tokyo, learning various life lessons along the way.