This is a story about transmigration and reincarnation. It revolves around Lily, a 23 year old medicine student, who accidentally died on her way to her birthday party. She was transmigrated and reincarnated to a beautiful young lady named Blaire. A chaebol who Lily knew best because Blaire was the lead female character in the novel she was reading before she died entitled "Blaire's Mischiefs".