Tutsak.

Dr. Doğan and Chief Physician Halil, who work at a mental hospital, are applying an interesting treatment method on patients. Only the nurses in the hospital know about this method besides the two of them. Serkan, who has recently started working as a doctor, begins to suspect what is happening in the hospital. Meanwhile, Chief Physician Halil plans to lure Deniz, whom he met by chance, into his web and prepare her fate in the same way he did with the others. Will the truth come to light, and will the culprits face their punishment?