Question: Which actress in the 2004 South Korean film about a police detective who investigates a murder case while struggling to hang onto his relationships with his wife and mistress, committed suicide?
Sentence (from "The Scarlet Letter (2004 film)"): The Scarlet Letter is a 2004 South Korean film about a police detective who investigates a murder case while struggling to hang onto his relationships with his wife and mistress.
Relevant evidence: Yes