A bullied student gets the ultimate gift of retribution in a mysterious new phone app that takes revenge on any person whose name is typed into it.
S01:E01 - Episode 1
Ho Goo Hee, excited to start high school, starts off on the wrong foot.
S01:E02 - Episode 2
Scorned, Goo Hee enters Jung Woo's name as a target for revenge.
S01:E03 - Episode 3
When her family's restaurant is targeted, Goo Hee makes another entry in the Revenge Note app.
S01:E04 - Episode 4
Goo Hee and Duk Hee come up with a plan to stop Yi Joong.
S01:E05 - Episode 5
After her brother give's the photo album to Duk Hee, Goo Hee tries to fix her broken friendship.
S01:E06 - Episode 6
Frustrated by the way her brother treats her, Goo Hee runs away from home.
S01:E07 - Episode 7
Goo Hee is surprised by Ji Hoon's reaction when he overhears her admit how she feels about him.
S01:E08 - Episode 8
Goo Hee selects another target for revenge.
S01:E09 - Episode 9
Mi Na leaks the details of her relationship with Mr. Eum.
S01:E10 - Episode 10
Ji Hoon is asked to fill in as a model, and suddenly he is all anyone can talk about.
S01:E11 - Episode 11
Han Yoo Ra, unable to accept rejection, puts her own revenge plan into action.