Playwright Soo-yeon writes in a quiet villa. Soo-yeon lives isolated from the outside because of her father's pathological obsession. The father interferes excessively under the pretext of protecting his daughter Su-yeon from being stained by the corrupt world. Then one day, Hyun-woo, an aspiring actor, moves in between Su-yeon and her father. “I wonder how my dad will react if another man gets in between him and me.” Hyun-woo is the actor Soo-yeon hired to escape her father's obsession. That's how dangerous cohabitation begins.