This film tells about the twists and turns of the lives of four lovers who must each overcome different fears and problems as they face the beginning of a new year. The four pairs consist of Ji Ho and Hyo Young, Jae Heon and Jin Ah, Yong Chan and Yao Lin, and Rae Hwan and Oh Wol.

Soo-hyun comes across magical pills that allow him to go back and forth in time. 30 years to the past, young Soo-hyun meets future Soo-hyun and learns that his girlfriend will soon die because of him. In order to save her, the two Soo-hyuns try to change the past together, but a completely new and unexpected past is formed that leads to a new future.

Private detective Yoon San gets turned into a vampire one day while he was out on a duty. As he meets various clients and cracks cases for them, he also uncovers the mystery surrounding him as well as the secrets from his past.

A group of swindlers unite to hunt down an infamous con man who was known dead, amid their hidden motives and deception.