Lee Soohyuk, who fortuitously obtained a travel ticket for a couple's trip to France Paris, embarks on an exciting journey. However, upon his arrival, he becomes a victim of theft. Luckily, with the help of his partner, the detective Kang, he manages to navigate out of the predicament. Thus, their tour commences, and Soohyuk is thrilled to travel with a partner who shares his interests, enjoying the experience. However, detective Kang appears to be in a sour mood throughout the day. On their first night, something unexpectedly locks onto Soohyuk's wrists while he is in bed. What on earth is happening? Someone please clarify this for me-!!