In a small Korean village, two brothers who have been estranged for years are forced to reunite following the mysterious disappearance of their father. Joon, the eldest, is a troubled ex-police officer haunted by his past, and whose decisions have led him to a solitary life; while Seok, the youngest, is an idealistic young man filled with dreams and a passion for music that clashes with the harsh reality of everyday life.
As they investigate their father’s disappearance, they uncover family secrets they'd prefer to have left buried. With the help of Soo, a fearless journalist interested in the case, the brothers begin to unearth dark mysteries that reveal their father's connection to an unsolved crime that has haunted their community. In their quest, Joon and Seok must confront their own differences and face figures from their past that continue to threaten their future.
As they delve deeper into the investigation, the tension between them grows, provoking memories of old grudges and resentments. But when danger escalates and the brothers find themselves in an extreme situation, they must learn to put aside their rivalry and join forces. In this thrilling drama with elements of family conflict, loyalty, love, and forgiveness intertwine in a poignant journey that will challenge them to reconcile with their past.