Yong-ju, Gi-woong and Gi-taek used to be best friends in middle school, but in high school, Gi-woong becomes a member of the gang that bullies...

Woo-jin, a furniture designer who wakes up in a different body every day, falls for Yi-soo, a woman he meets through his work.

The seventeen year old 'Yeong-jae' was safely sent away to the group home 'Isaac's house'. He is old enough to leave now, but doesn't want to go back...

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.