Kemeisha, a government-funded scientific research institution, is developing a drug that allows criminals to abandon evil and do good. Murder B, who was supposed to be executed, was selected as a test subject and saved him from death. Through regular medication and treatment, B's body gradually undergoes positive changes, his psychology gradually returns to normal, his violent tendency gradually weakens, and he begins to feel regret and guilt for past crimes. Afterwards, he gradually integrated into the society under the supervision of Kemeisha Company and began to live a normal life. He got a job, got to know his girlfriend, and thought of avoiding surveillance and making a special trip to visit the innocent victim C who was hurt by him before. But C's elder brother found B and followed him to kidnap him, killing the staff responsible for monitoring B in the middle. Kemeisha believed that B’s inferiority had not been changed, and killed the surveillance personnel in order to escape surveillance, so it launched a hunt for B. Only Dr. A, who is responsible for developing the drug, believes in B and works hard to help him avoid hunting down. In the process of avoiding chasing and killing the two, Dr. A learned that B, as the reference subject in the experiment, was taking ordinary placebos instead of drugs developed by him. The real power for B to abandon evil and do good is actually from himself. Heart. The sad thing is that in the end B still died under the gun of the Kemesa personnel who followed.
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