In Chuncheon, Gangwon Province, Jeong Ha, a high school teacher, leads a peaceful life until unexpected visitors arrive. Her son, Jinwoo, who is studying abroad in Canada, shows up at her school with his girlfriend, Jenny, without any prior notice. Soon after, Jenny's parents, who should be in Canada, unexpectedly arrive in Chuncheon as well. After a commotion over accommodation arrangements, the two families, who barely know each other, end up staying together at Jeong Ha's house. As this unfamiliar and uncomfortable cohabitation begins, secrets from each family begin to surface, and the atmosphere gradually becomes more and more tense...