Choi Ju-eun

In the 1940s, Soon-ok and Jeong-eem dream of leaving home to chase music and freedom. But a sudden tragedy in the community shatters innocence, forcing Soon-ok into an unexpected marriage. Jeong-eem disappears under mysterious circumstances, leaving Soon-ok burdened with guilt and unanswered questions. Decades later, the elderly Soon-ok reunites with Jeong-eem, who remembers nothing of their past.

A mysterious app promises wishes — then starts a countdown to death. As a group of teens becomes entangled, they must break the deadly chain to survive.