A Blood Pledge

Whispers begin to circulate at a Catholic girls’ high school following the suicide of Unjoo one evening. Her younger sister, Jung-un, who is also a student there, becomes suspicious about the circumstances surrounding Unjoo’s death. Through determined investigation, Jung-un uncovers that on the night of the tragedy, Unjoo, along with Soy, Eugene, and Eun-young, had entered into a blood pact to end their lives together. However, while the other three survived, Unjoo did not. The story unfolds to reveal the desires, jealousy, and deceit that fueled their deadly promise, as well as the concealed truth behind Unjoo’s demise.