The Sandglass is a story of two men whose friendship is tested through the 1970s and 1980s, one of Korea's politically tumultuous periods. Park Tae Soo, tough and loyal, grows up to become a gangster, and Kang Woo Suk, smart with firm moral values, becomes a prosecutor. Yoon Hye Rin, a beautiful and spirited daughter of a very wealthy casino owner, is a classmate of Woo Suk in college. Hye Rin is introduced to Tae Soo via Woo Suk and subsequently, falls in love. (Source: Wikipedia)