Kwon Yong-seok

Grieving the loss of a best friend she couldn't protect, an ex-bodyguard sets out to fulfill her dear friend's last wish: sweet revenge.

Ja-yoon is a high school student who struggles with memory loss after she endured some unknown trauma during her childhood. While trying to uncover the truth, she is unwittingly dragged into a world of crime and finds herself on a journey that will awaken many secrets hidden deep within.