Cheerful runner Sang Ha loves sprinting, while Jin Won chases marathon glory. Paired as pacemaker, their rivalry sparks unexpected feelings.

A triangular relationship between Eo Woo-dong, her husband Lee Dong, and fantasy character Moo-gong, highlights on the first half of the Joseon Dynasty and portrays the contradicted life of the high class people, criticizing the modern day Korean society.

Yeon-woo, neurologically colorblind, sees colors through Yoo-han in a "color rush." Their connection intertwines with the mystery of his missing mother.