Plot: Transferred to the neon-lit streets of Seoul, a police officer known for his cold-blooded efficiency finds himself face-to-face with his past. Ten years ago, he parted ways with his partner, YN, a fiery and unrelenting officer whose presence once ignited his world in ways he never expected. Now, fate has brought them back together. As they collide in the midst of high-stakes investigations, the scars of their shared history begin to resurface. The betrayal, the passion, and the unresolved tension between them threaten to disrupt their every move. YN, still blazing with the same intensity, finds herself torn between the anger she harbors and the undeniable connection that refuses to fade. Together, they must navigate a dangerous game of cat and mouse with a formidable criminal underworld, all while grappling with the emotions that resurface each time they lock eyes. In a city where danger lurks in every shadow, these two officers will have to decide if their shared past will be their undoing or their greatest strength. As their paths intertwine once more, they face a tumultuous journey of redemption, trust, and the undeniable force that keeps pulling them back to each other. "Collide" is a gripping tale of two hardened souls, bound by duty and a complicated history, struggling to reconcile their past with the reality of their present. Will they find a way to work together and protect each other, or will the ghosts of their past ultimately tear them apart?
4 parts