A lawyer is given the mission of revitalising a bankrupt zoo that has no animals. When he and a group of zookeepers come up with the idea to dress like animals and his fake polar bear goes viral, the zoo becomes a hit, before his law firm’s real intentions are revealed.

This movie talks about the genius high school student Jang-ho who dreams of becoming the next Pavaroti although he is part of a gang and Sang-jin, currently a countryside art school music teacher but once a highlighted vocal singer.

Na-mi, a transfer student, becomes a laughingstock on her first day of school because of her strong southern dialect. Six girls jump in to help the new kid adapt to the new environment, and the girls come to call their circle of friends “Sunny.”