Sister Yu, who was deceived into renting a "haunted house", found out that a pair of "dog boys" lived across the door who blinded their neighbors every day. What makes Sister Yu the most emotional is that there is really a ghost in the house she lives in, and the two friends from across the street specialize in catching ghosts. Inexplicably, Sister Yu and the female ghost in her roommate got involved in the ghost-hunting life of the gay duo...