After their 4 children become independent, an old couple decide to live for themselves. One day, their 4 children come back to them.

A devoted woman makes the ultimate sacrifice for her boyfriend, only to learn that love doesn't always conquer all. Yoo Jeong (Hwang Jeong Eum) is a sweet, upbeat person who has always stuck by her boyfriend, Ahn Do Hoon (Bae Soo Bin), all through school as he cared for a disabled father. But Do Hoon gets into a car accident that results in the death of a woman. Unable to face her boyfriend having to go to jail for a hit-and-run accident, the self-sacrificing Yoo Jeong takes the blame for the accident and serves time in prison in his place. Min Hyeok (Ji Sung), a cold-hearted heir to a business empire, had just begun to open his heart to a woman when she is killed in the hit-and-run accident. Years later, he is engaged to Shin Se Yeon (Lee Da Hee), a congressman's daughter. Can Yoo Jeong and Min Hyeok mend their wounded hearts and discover the real meaning of love? Written by Viki

Koo Seo Jin reaches an all-time low when he uses his power as a theme park director to decommission Wonderland's popular circus. Refusing to give into the demands of her frosty boss, ringleader Jang Ha Na puts up a fight, but is thrown off guard when Seo Jin's secret persona reveals itself with genuine kindness. In the battle to save her circus, Ha Na realizes she must tease out Seo Jin's brighter side with magic, wonder and love, but who's listening — Jekyll or Hyde?