At work, she’s a renowned assassin. At home, she’s a single mom to a teenage daughter. Killing? That’s easy. It’s parenting that’s the hard part.

A politician dreams of changing the world with an excellent campaign strategist behind.

Yoon-Jung accidentally calls a stranger, instead of her boyfriend, and has phone sex with the unknown man. When Yoon-Jung’s relationship with her boyfriend turns sour, Yoon-Jung meets Hyun-Seung, the stranger…