Joh-on decides to have the entire family move to his summer cottage in the mountains. While cleaning his regular home, Erin finds out that Joh-on used to be a teacher. But when Erin finds Nuk and Mok sick from eating some rotten food, Joh-on comes and helps Erin read a book about poisonous plants. He decides to teach Erin, Nuk and Mok about animal breeding and plants.