Ahn Byeong-ki

Seven girls become good friends in high school, then events pull them apart for 25 years. When one of the friends lies dying in a hospital, she wishes to see each of them one last time.

Soon after getting a new phone, a woman notices strange things starting to happen. When she investigates, she discovers that everyone who has had her phone number before her has died suddenly and mysteriously.

Hye-jin's homecoming should have been a joyous occasion. She was especially happy to see her childhood friend again, the shy Eun-ju. However, when a secret is revealed, harsh words are exchanged. These words deeply affect Eun-ju and,in the next scene, we see her plummeting from a 30-story building. In a flashback provided by Seon-ae, we learn that the ghost of Eun-ju is hunting down all of Hye-jin's friends and killing them. Is this possible or is a more worldly force at work? What is this mysterious tape that everyone is asking about?

Former teen idol Nam Hyeon-soo is now in his thirties and working as a radio DJ. One day a young woman named Jeong-nam shows up and claims to be his own daughter. She also has a son whom she claims to be Hyeon-soo's grandson. Their relation is proven via DNA tests by Hyeon-soo's brother. This leads to Hyeon-soo attempting to avoid a scandal concerning him having children "unknown" to the media.

A young woman's curiosity propels her to investigate a series of strange deaths in her neighborhood.

At a prep school, a secret horror begins to unfold as the students begin to die.

A broadcasting company hosts an actor/actress contest and 30 contestants are pre-selected. Yong-Woo and Eun-Sook are two of them and they are also lovers. Eun-Sook desperately wants to be a TV star and approaches a producer. Yong-Woo discovers this and argues with her. In the meantime, Eun-Sook happens to meet Yu-Suk and spends a night with him, after he tells her that he knows a lot about broadcasting companies.

A woman moves into an apartment house with her daughter. But her daughter begins to be haunted by a mysterious ghost on a hidden floor.