The drama unfolds around a passionate man who hides his crimes to protect his first love and a middle-aged detective seeking redemption by uncovering a brutal truth. A single fatal mistake. An explosion that takes thirteen lives. Two cases that appear entirely unrelated become entwined through the fates of three young people. Across a decade-long journey of investigation and redemption, a buried truth slowly emerges, exposing a shocking secret at the heart of it all.