Self-proclaimed tough guy Jae-pil and sexy guy Sang-gu leave an unforgettable first impression on their moving day. Despite becoming special surveillance targets for Police Chief Choi and Officer Nam, they are simply happy to start anew in their European-style dream house. However, happiness is short-lived as they are inadvertently mistaken for kidnappers while trying to rescue Mina, who almost drowns. Meanwhile, uninvited guests looking for Mina start appearing, and an ancient spirit sealed in the basement awakens, surrounding the house with dark energy.