Room 503's secret that is more pleasant if you come alone. Kyung-sook inherits a motel from her mother. In that motel with a strange atmosphere, when it's Friday and the clock strikes two in the afternoon, a middle-aged man, Soo-min, and a 'plumber', seem to compete looking for room 503.
In order to find his wife who had been toyed with by gigolos, one man is left with no other choice than to become a gigolo himself.
