Thirsty(2017)

Thirsty is a Korean thriller following Hui-jun, a delivery boy at a Chinese restaurant whose routine shift takes a dark turn. When he encounters Sung-yong, a former middle school upperclassman, Hui-jun notices something unsettling in his behavior. Convinced something is wrong, Hui-jun and his friend Dong-gi decide to follow Sung-yong, setting off a chain of events that spirals into danger. What begins as curiosity transforms into a tense cat-and-mouse game as the two friends become entangled in circumstances far beyond their understanding. The film explores themes of fate and consequence through the eyes of ordinary people caught in extraordinary circumstances, building suspense as secrets unravel and motivations become increasingly murky.