When Park Chulsoo was young he fell in love with Sowon. Sowon liked animals so Chulsoo liked animals too. When he became older Chulsoo became a zookeeper and Sowon became a groomer. Sowon got married to a veterinarian. A year later the zoo which Chulsoo works is closing down. Now Chulsoo try to find a way for the zoo not to close down. His only reminder of his love Sowon.

Original Webtoon

A movie, Secret Zoo is based on this webtoon.