A marriage done in a fit of anger after receiving a notice of his lover's wedding, and a company life that doesn't go as planned. Lee Chan-joo registers for a pottery class to forget such reality. However, it wasn't pottery that made Chan-joo forget his reality, but a woman. A woman who suddenly popped up like a dream. Ji Yeon-hee thought of Lee Chan-joo that way. Yeon-hee, who didn’t miss Chan-joo’s gaze fixed on her in the pottery class, invites Chan-joo to her home while her husband and child are away. And on that day, the two realize the same fact. This woman wants to sleep with me. Like an unspoken promise, the relationship between the two women unfolded without shaking reality. However, that relationship begins to cross boundaries. It becomes more desperate in a way that cannot be dismissed as a joke or an affair...