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.

Mr. Daytime

Jeonghee is a sister and a couple who allow a relationship with others once a month.  I am surprised to learn the shocking fact that I am enjoying'Doom's Day'.  Because of the deviation that was allowed, he said,  Jung-hee, who is sultry, proposes'Doom's Day' to her husband.