Kim Seo-Jin (Shin Sung-Rok) is a man who is driven only to achieve success in his life. Thanks to his efforts, he is the youngest executive at his company. His life is perfect, with his beautiful violinist wife Kang Hyun-Chae (Nam Gyu-Ri) and a daughter. His wonderful life comes to a halt when his young daughter is kidnapped. He falls deep into despair. To change the past, when his daughter was kidnapped, he contacts Han Ae-Ri (Lee Se-Young) approximately one month in the past. Han Ae-Ri has busy days with her studies and working a part-time job to make enough money to pay for her sick mother's operation. One day, her mother suddenly goes missing. Han Ae-Ri falls into despair, when Kim Seo-Jin from the future contacts her.

A minister who researches religious cults turns to his Buddhist monk friend for help investigating a new group with mysterious origins.

A part of the Three Color Fantasy trilogy, the drama focuses on a girl, Nan Hee, who believes she is ugly. After falling for a handsome guy, she uses a family ring with the power to appear beautiful to the boy she likes.

Young Min and Mi Young are young couple who get married after graduating from college. Following the honeymoon period, they begin to bicker with each other. While waiting for her husband at a cafe one day, Mi Young bumps into her ex-boss. Young Min sees this and gets the wrong idea. As they struggle to make their marriage work, Young Min and Mi Young gradually understand what love really is.

A man's affair with his family's housemaid leads to a dark consequences. Eun-yi is hired as an au pair for Hae-ra (pregnant with twins) and her rich husband Hoon. Eun-yi's primary task is watching the couple's young daughter, Nami. Eun-yi is eager to connect to Nami, who gradually warms to her. Hoon begins to secretly flirt with Eun-yi, enticing her with glasses of wine and his piano playing, and they eventually begin a sexual relationship. Despite the affair, Eun-yi is still warm and friendly to Hoon's oblivious wife, Hae-ra. She even expresses enthusiasm and delight at the progress of Hae-ra's pregnancy.