二十年前,一整车学生在她眼前消失;二十年后,她遇到的男子竟是当年的遇难者之一。雅丝翠的调查之路由此开启。Astrid was traumatized by the mysterious disappearance of a school class in 1999. Twenty years later, when she finds out that the only survivor from 1999 mysteriously died, Astrid sets off to discover what really happened.