The kids starts to help Teacher Hang and P’Thai fixing the school with dedication. King is a big chef of the trip. One day, Taliw and Yuyi get lost in the jungle. Yuyi gets sick because of the poisonous spider. She’s exhausted and loss her consciousness. Taliw’s afraid and worry about Yuyi. She drops some pieces of her cloths as marks, and walk to find someone to help. Tenten, King and P’Thai go their separate ways to look out for the girls. It’s getting darker in the evening, and they still can’t find. Tenten who goes out with one of the villagers, happens to hear Taliw’s voice. He immediately rushes towards to the direction alone. While Taliw is about to reach a dead end, Tenten finally finds her. Then they rush to see Yuyi. Taliw tells Tenten to find someone to help, then he meets Uncle Chao. He asks them to stay at his house in order to heal Yuyi’s condition which is getting worse. Both Tenten and Taliw are deligently help Yuyi though the night. Next morning, Yuyi feels better. Both of them are really happy that their friend is fine now. Then Tenten starts to think about something after he’s met Uncle Chao.