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.

Nicknamed after a human-devouring spirit, the ruthless leader of an overseas black ops team takes up a dangerous mission in a city riddled with spies.

In 1987 Korea, under an oppressive military regime, a college student gets killed during a police interrogation involving torture. Government of officials are quick to cover up the death and…