The Sandglass is a story of two men whose friendship is put to the test 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, grows up to become a prosecutor. Yoon Hye Rin, a beautiful and spirited daughter of a very wealthy casino owner, is a classmate of WooSuk in college. Hye Rin is introduced to Tae Soo via Woo Suk and they subsequently fall in love.
(Source: Wikipedia)