Choo Sang-woo is the epitome of an inflexible and strict rule-abiding person. Jang Jae-young is like a semantic error in the perfect world of Choo Sang-woo. Will Sang-woo be able to work with Jae-young as an artist and engineer?
A mother who just lost her only hope, daughter, made a critical decision. On that day, she happened to live a life which the time goes back to one day before every day. During the time traveling, she gets the second chance for her life.
