A dark night in a small town, a massive trailer truck speeds in recklessly, swerving dangerously before crashing into a guardrail and overturning.<br>Doctor Sejin, having taken a wrong turn, stumbles upon the accident scene.<br>What she finds is a man still alive, despite having a metal pipe impaled through his head…<br>A perfect medical anomaly, something no ordinary human could survive.<br>To Sejin, the man was nothing short of a miracle sent from above.<br>Determined to use him as an experimental subject, Sejin takes the man and saves his life.<br>Before long, the man regains consciousness. His name: Lee Taesu.<br>He is in a "perfect state"—complete with amnesia.<br>Though confused by the contract Sejin presents him, Taesu adds his own condition: Sejin must also help him recover his lost memories.<br>As Sejin observes Taesu’s astonishingly rapid healing, he is left in awe.<br>But soon, strange phenomena begin to manifest around Taesu, setting off a chain of unforeseen events