The film stars Jishu Sengupta, Tota Roy Choudhury, and Swastika Mukherjee.

It tells the tale of George, Rishin Sen and his wife Mayuri who is a journalist at Kolkata TV.

When George takes up a contract killing assignment from Rishin Sen , he doesn't know his target and client was the same person.

On realising this, George is torn between his professional ethics and a genuine concern for a fellow human being.

[3] A different opinion from the telegraph noted that "90 Ghanta has a smart script but falls short of becoming dark, sinister and unsettling due to poor directorial skills.