An unhappy young woman from an abusive family is married off to a fearsome and chilly army commander. But the two learn more about each other, love may have a chance.

After being suspended from their agency due to a rules violation, teenage hitmen Chisato and Mahiro are forced to get “real” jobs to make ends meet. But while the elite duo is forbidden from executing targets or enemies under any circumstances, two aspiring rival hitmen decide to eliminate the competition while they’re vulnerable—leading to a lightning-fast showdown between trained killers.