Kang Hyun-Ho has never had a boyfriend in her life. She begins swimming lessons at a sports center. There, she develops a crush on Jo Woo-Jin . Meanwhile, Han Yoo-Ra is Kang Hyun-Ho's swimming instructor. He develops feelings for her.

The movie takes place between Seasons 1 and 2. The Green Forest Village hosts a festival in celebration of the 1000th anniversary of the large tree growing in the middle of the village. While Curucuru and his friends are helping in the festival, they learned that tree's vitality is due to a legendary item call the Pingya, which gives it Eternal Love and Life. But in the midst of the festival, a bunch of Pirate Hyenas came to the village and stole the legendary item, causing the tree to wilt. Now it's up to Curucuru and his pals to get it back from the pirates, before things can go worse. But amid-st the actual troubles they face, the kids also encounter a strange Tiger child, who is connected to the incident.

Unemployed Do Hwan (Park Won Bin) who lives off stock investments is suffering from a riddling noise ever since In Kyeong (Yuri Seo) moved in upstairs. He can't work or sleep and gets misunderstood by In Kyeong as a perverted psycho but he falls for her more and more. Hwa Jin, who has a crush on Do Hwan, finds out that In Kyeong is a medium and spreads the word. Do Hwan decides to help In Kyeong who is about to get kicked out. The two of them are drawn to each other and start an investment guide towards the apartment residents. However, when In Kyeong fails to make anymore predictions they are once again faced with a wall...