An innocent, poor and hardworking man Phadindra Timsina finds a sack full of 3 Crores Nepalese rupees stolen from a bank. He then consults with his 2 friends Jayas and Munna to turn that money white.

The three main characters get arrested by the police are released. The film's story revolves around them finding a bag of gold and its consequences.

Mahajatra unfolds the gripping tale of three men, bound by a tumultuous past, entrusted with the clandestine duty of concealing illicit funds. The film delves into the challenges, triumphs, and setbacks faced by these individuals as they navigate the complexities of safeguarding their entrusted task.