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.

Dreaming of changing the world, SEO Chang-dae takes part in KIM Woon-bum’s political campaign. To resist the current dictatorial ruling party, SEO adopts a very aggressive propaganda campaign, and it makes KIM become the strongest candidate in the opposition party. When ambitious SEO believes that unjustified means is necessary for politics, KIM has a firm belief that it is not real politics. While their conflict deepens, the ruling party secretly contacts SEO to win the next presidential election.