"Could you sleep with me?"

The moment Min Seolha accidentally lets that question slip to her boss, Cha Jeongmu, she believes she is done for. Yet to her surprise, her superior and crush of three years agrees, even adding on a condition that they won't have a limit to the number of nights they spend together. And so begins the CEO and secretary's steamy love affair after work hours. But unbeknownst to them, a shared tragic past could end up jeopardizing their already-risky romance...