The film stars Sarathkumar (Chidmbram} as a police officer with Alzheimer’s who is assigned to find a killer.
Chidambaram Nedumaran who is a high-ranking police officer, had once been part of probing a serial killer case. Now diagnosed with Alzheimer’s disease and given only one year until when his fading memories will last, Nedumaran is once again tasked to reopen the case when killings in similar fashion take place. What happens when his personal life gets tangled and his vanishing memories are only doing more harm than good to him?
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The cast of Smile Man also includes Sija Rose, Ineya, George Maryan, Suresh Menon, Kumar Natarajan, and Aazhiya.
The film’s technical team includes filmmaker Vikram Mohan, composer Gavaskar Avinash, and editor San Lokesh. The film is produced by Salil Das, Anish Haridasan, and Anandan T.