Radha (Poornima) has four sons - Chandan (Amjad Khan) known as Bhola, Raju (Danny) known as Johny, Bablu (Vijayendra) known as Vijay and Pappu (Mithun) known as Tony. Radha's father in law (Shivraj) gives four keys of a safe which holds lots of money and jwellery but Lalchand (Ranjeet) kills Radha's husband who put the keys of the safe in the lockets of all his sons. Lalchand gets one key but meanwhile Radha' escapes with her sons but all her sons are seperated and brought up under different names. The police arrest Lalchand and he gets imprisonment of 14 years. When Lalchand comes out of jail he contacts Johny to get all the keys. Bhola is a milkman while Vijay is a DSP and Johny and Tony are crooks. Johny collects all the keys but in the end all the brothers meet each other and reunite with their mother. Lalchand is killed.