In the sterile corridors of Granger Medical, forensic pathologist Dr. Mira Kessler hunts a killer whose surgical precision carves a path of terror. The Harvester, a shadow with a god complex, is assembling a perfect human from eleven stolen organs, each preserved by a sinister fungal compound. Driven by a desperate obsession to save his dying twin, Ethan, the killer targets patients with surgical scars, taunting Mira with cryptic messages that echo her sister's unsolved murder. When her friend Elise Chen, a brilliant data analyst, uncovers the killer's network in the hospital's east wing, she becomes his next prey, her life hanging by a thread.

Framed for the murders and hunted by her own, Mira unravels a web of deception spun by Dr. Gabriel Nash—a disgraced surgeon whose genius masks a monstrous plan. With Nash's pawn, Emily Voss, feeding him secrets, and his escape from custody igniting a citywide manhunt, Mira's race against time becomes a descent into her own scars. As the killer's chorus—a symphony of blood and perfection—nears its crescendo, Mira must confront the truth about her sister's death and stop Nash before he completes his twin's salvation or claims Elise's life. In a hospital where shadows hide sanctuaries, the question isn't just whether Mira can end the Harvester's song, but whether she can save those she loves before their scars silence them forever.