A woman attempting to reboot her life returns to Korea and becomes entangled with her childhood friend — with whom she shares a complicated history.

Years after a K-pop star saves her life, a fan learns of his death — but when she's suddenly transported to the past, she sets out to change their fate.

Days after a heart-fluttering encounter with a charming man, Yu Na Bi bumps into him again. This time, she's formally introduced to Park Jae Eon.