Question: Lee Yeon-hee (; born January 9, 1988) is a South Korean actress, known for her work in which 2006 South Korean romance film directed by Kim Tae-kyun, starring Hyun Bin and Lee Yeon-hee?
Sentence (from "A Millionaire's First Love"): The theme of the film is "Nothing is more important than the true love of your heart."
Relevant evidence: No