Paappi Appacha is the story of a father and son, Mathai (Innocent) and Paappi (Dileep). They live like friends and they get into all sorts of mischiefs in their village, Ithirikkandam.

Gopi, an engineer, is found in his apartment, dead by hanging. Renuka, his fiancée, wants to uncover the reasons behind his suicide and decides to investigate.

Five friends are disappointed about the way their favorite hangout Malarvaadi Arts Club is headed. They take the responsibility of reviving the club in their own hands.

Bhuvana wishes to sell his land to clear his debts. However, his life takes a turn for the worse when he finds himself caught in the power battle between two landlords.