Uma história de amor entre uma mulher nobre e um homem misterioso que se passa em Joseon durante a invasão Qing

Do Hae-Yi is a student at Yonhee University. Because her family is poor, she places a priority on making money over school. Hae-Yi joins cheering squad Theia. She only joins the club for money but finds her joy there.

Ma Seok-do vai a um país estrangeiro para extraditar um suspeito. No entanto, soube de outros casos de assassinato e descobre um assassino em série que cometeu crimes contra turistas por muitos anos.

This romance drama tells a story about a talented superstar Jung Woo Jin (Lee Sung Yeol) who has a painful disease. He always remembers everything even the tiniest thing. This disease always brings him into a stressed situation. One day, he meets a girl named Do Hye Soo (Bae Yoo Bin) who also has a rare disease. Her memory always resets every month that making Hye Soo forgets her past memory. Their accidental encounter, bring them into hell situations that they never forget forever.