When Your Pain Becomes Mine

GyunHee, a man with a heart as cold as winter, finds his life irrevocably changed after a near-fatal car accident. Desperate to save him, his girlfriend Sunny donates her blood for his emergency transfusion—a choice that marks the end of their toxic relationship as she decides to walk away from his life forever.

As GyunHee recovers, he is haunted by an inexplicable, agonizing pain that flares within him, mirroring Sunny’s own hidden struggles. Haunted by memories and a growing, phantom connection that defies medical logic, GyunHee sets out to find her. But as he chases the woman he once took for granted, he must grapple with a strange, mystical burden: her pain is becoming his own.