The movie 420 IPC is a courtroom drama revolving around a chartered accountant Bansi Keswani (Vinay), who is arrested for an economic offense. Vinay Pathak is seen as a simple CA, whose client gets arrested in an Rs 1200 crore scam. And while he is still reeling from the same, he also gets caught for forging three blank cheques from another client. 420 IPC will deal with how Pathak’s lawyer fights to save him. But is he really innocent or a crook?