A DJ's life is disrupted when she reconnects with a charismatic stranger, who stirs up memories of a past love. Meanwhile, a train engineer struggles to come to terms with a traumatic event and his own dark past. As their stories unfold, their lives become increasingly entwined, leading to a dramatic convergence of fate.
Nae-boo-soon-hwan-seon
In the vibrant city of Seoul, a group of young individuals with diverse backgrounds and aspirations intersect and diverge as they navigate the busy Inner Circle Line of the Seoul subway system.
