Suh Jin Young is an aviation maintenance technician. Her fiance Jae Hoon passed away in a horrible traffic accident. Kim Chae Joon dreams of becoming an aviation maintenance technician, but he encounters prejudice because he is an ex-convict. He killed someone with his car.
Suh Jin Young gives him a chance to work under her, and they fall in love. However, that love is severely tested when they both discover that ChaeJoon’s victim is Suh Jin Young’s fiance, Jae Hoon.