After a traumatic incident, college student Ji-won (Ha-Neul Kim) is struck with amnesia and tries to piece together the events of her life. But when her old friends begin dying off in mysterious water-related episodes, Ji-won begins making the connection between a dark secret from her past and the horrors of the present. Directed by Tae-kyeong Kim, this terrifying spine-chiller from South Korea stars Sang-mi Nam, Bin and Yi Shin.