A woman suddenly disappears. Her fiance then sets out to find her and, in the process, uncovers layers of dark hidden secrets.
Helpless is a 2012 South Korean psychological thriller film written and directed by Byun Young-joo based on the bestselling novel All She Was Worth (火車) by Japanese writer Miyabe Miyuki. The original title, Hwacha, means "fire cart," and refers to a train to hell from Japanese folklore. Passengers can only board but not get off.