One Night, Deep Love

The hero, once a top soldier, now hides in the city as a designated driver. The heroine encounters trouble and has no choice but to marry him. The man is reluctant, so the girl seeks help from his aunt. After their marriage, the hero is threatened by the heroine's suitor, but he possesses evidence of the suitor's illegal activities. To end the trouble, the man, with the help of his aunt, deals with the enemy. During this time, the heroine truly falls in love with the hero.