A Blood Pledge

A Blood Pledge (; also known as Whispering Corridors 5: A Blood Pledge and Suicide Pact) is a 2009 K-Horror film, and the fifth installment of the Whispering Corridors series of South Korean horror films set in girls' high schools that began with 1998's film of the same name. Aside from the setting and overall themes, it is unrelated to the other films in the series. Plot The story begins with the pledge; Eun-Joo, So-Hee, Yoo-jin, and Eun-young pledge that they will die together that night. Eun-Joo jumps from the roof of her school, committing suicide. Her sister Jeong-Eun sees her jump. The next day in the school office, So-Hee admits that she was on the roof with Eun-Joo when she jumped. The three girls become paranoid about the death of Eun-Joo, and secrets about why each girl had a reason to jump-start to surface. So-Hee becomes depressed about the death, unlike the other two. Jeong-Eun confronts So-Hee about her sister's death but So-Hee repeats that she doesn't know what happened. Rumors start to spread around the school. Many girls accuse So-Hee of killing Eun-Joo as their relationship had become strained in the past year. Another girl claims that Eun-Joo killed herself because she was pregnant. That evening, Eun-young is beaten by her father for having low grades. The next day, she begs Yoo-jin to let her sleep at her home. So-Hee has flashbacks of the time when she was friends with Eun-Joo and feels guilty. Joo-yeon tells So-Hee that because she pushed Eun-Joo away, she is to blame for her death. Joo-Yeong is later killed by Eun-Joo.