Dan is a care-free angel who always gets into trouble. In order to return to heaven, he is tasked with a mission to find true love for a cold and single-minded ballerina Lee Yun Seo, but ends up falling for her himself.

Bong Dal Hee (Lee Yo Won) is a first year resident doctor who strives to become a surgeon despite her heart problem. She works under Dr. Ahn Jong Geun (Lee Bum Soo), a cardiac specialist, ...

Lee Hyun-min, who works reconstructing faces from their skull, quits his work in a institute to stay with his Beta-allergic daughter Jin that was submitted to a transplant of heart by the ...