Beneath the neon lights of an Eastern cyber-empire, Gu Hansheng, commander of the Imperial Security Bureau, and Lu Yan, the empire’s most wanted criminal, are natural-born enemies. One adheres to order and bears the pain of his family’s past; the other believes in chaos and hides a viral trump card. An accident binds them through a Bond System, forcing them to share emotions and vitality. Their relationship shifts from a life-or-death chase to forced coexistence, from testing one another to fighting side by side against their foes. Amid darkness and conspiracy, they ultimately break free of the constraints of their opposing allegiances and become each other’s only salvation and inevitable destiny.