With a stroke of luck, Lee Soohyuk receives a couple's trip to Paris, France and sets off on his adventure with excitement. However, upon arrival, he is robbed. Thankfully, his partner, Detective Kang, comes to his rescue and helps him out of the situation. As they begin their tour, Soohyuk is thrilled to have a partner who shares his travel style, but Kang doesn't seem to be enjoying the trip. The first night of their stay, Soohyuk finds himself handcuffed to the bed, completely baffled by the situation. "What in the world is going on? Can someone explain this to me?!"
