Into the White Night(2006)

Into the White Night is a Korean drama that explores the dark consequences of childhood secrets. When two children commit separate murders to protect each other, they become bound by guilt and complicity. Fourteen years later, Ryouji and Yukiho find themselves trapped in a twisted web of lies and obligation, unable to escape without betraying the other. With no one else to turn to, they navigate a fraught relationship built on shared trauma and mutual dependence. The series examines whether redemption is possible for those who've sacrificed their innocence to save someone they love, following the unraveling of their carefully constructed lives as the truth threatens to surface.