Thirst (Korean: 박쥐; Bakjwi; literally "bat") is a 2009 horror film written, produced and directed by Park Chan-wook. Based on the 1867 novel Thérèse Raquin by Émile Zola, the film stars Song Kang-ho as Sang-hyun, a Catholic priest who turns into a vampire as a result of a failed medical experiment, and falls in love with Tae-ju (Kim Ok-bin), the wife of his childhood friend (Shin Ha-kyun).An international co-production of South Korea and the United States, Thirst was released in South Korea on 30 April 2009, where it was a commercial success. It received generally positive reviews from critics and won the Jury Prize at the 2009 Cannes Film Festival, where it was also nominated for the Palme d'Or.