After a sudden tragedy, Yoo Se-ah realizes Kim Geon-woo may be next and rallies her friends to find a solution. But Girigo proves too sinister to stop.

Seeking to cast out evil, Kang Ha-joon takes Se-ah to his shaman sister — sending her to a cursed space filled with fear, trauma and abandonment.

Ha-joon, Se-ah and Bangwool investigate Girigo's origins, chasing an online friend of Hyeong-wook's. They soon discover a house that may hold clues.

After a wild night out, Lim Na-ri discovers a terrifying truth. Soon, her jealousy takes hold of her as she navigates her feelings for Geon-woo.

Born from innocence, Kwon Si-won's friendship with Do Hye-ryung — steeped in jealousy, resentment and revenge — gives rise to Girigo and the curse.

Facing sabotage from spirits, the group hunts for the original phone. But as they close in on their goal, danger and darkness lurk at every turn.

On the brink of defeat, Se-ah confronts the evil behind the curse. Can she stop the unending deaths once and for all?