Secret Love (), also known as The Secret River, is a 2010 South Korean erotic thriller film starring Yoo Ji-tae and Yoon Jin-seo.
Only two months after their storybook marriage, beautiful young Yeon-yi (Yoon Jin-seo) is suffering through the repercussions of a car crash that's put her handsome new husband Jin-woo (Yoo Ji-tae) into a deep coma. She finds herself waiting at the airport for her husband's brother Jin-ho, but, never having previously met, Yeon-yi is shocked to discover that he and Jin-woo are identical twins. Initially cold toward each other, the two soon fall in love. The situation grows more complicated when Jin-woo suddenly awakens from his coma.
Stars Yoo Ji-tae and Yoon Jin-seo previously worked together in Oldboy.