kdramathreads Sisyphus: The Myth tells the story of Han Tae-sul, a genius engineer who discovers dangerous time travel technology. His discovery attracts the attention of a secret organization that wants to control the technology for evil purposes. In the future, Kang Seo-hae, a resilient warrior, is sent back in time to protect Tae-sul and prevent a major catastrophe that could destroy the world. Together, they face various threats and conspiracies while trying to change their destinies.