Sandglass is a South Korean television series considered one of the most significant and highest-rated Korean dramas in history. Written by Song Ji-na and directed by Kim Jong-hak, it aired on SBS in 1995 in 24 episodes. A depiction of the tragic relationship among three friends affected by the political and civilian oppression of 1970s and 1980s Korea, the series mixed politics, melodrama, action, and great acting. It recorded a peak rating of 64.5%, the third highest of all time, and launched its leading trio of Choi Min-soo, Go Hyun-jung, and Park Sang-won into stardom. Its reenactment of the Gwangju Massacre remains one of the most realistic, devastatingly powerful, and unforgettable moments in Korean TV history.

5 years after fleeing Korea, Jang Yeojin returns as primary school teacher Lee Seonyoung to teach her ex-husband's autistic daughter - unraveling the household and five years of pain in the process.

With the introduction of Catholicism to Korea in 1784 came social upheaval. People who practiced the new religion were tortured into renouncing it or executed. However, these conditions do not deter Seung-hun and her brother from attempting to spread the religion.

While working on a case with farmers, lawyer Heo Seung comes to believe that the rural development movement is the only lasting way to preserve the identity of the country. With conviction, Seung throws himself into the rural area. However, this position is against the Japanese occupation policies and eventually, even his wife, Yun Jung-sun, ends up leaving him. The Japanese judge Masaki Hiroshi determines that Seung's rural development activities are actually a rebellion against Japan. He has Seung imprisoned as an ideology criminal. After spending five years in jail, Seung returns to the country to see his wife, Jung-sun, continuing her husband's work and waiting for him.