The story of Kaka Ji highlights the era of the 90s in Punjab when the notorious gang Kale Kachia Wale was dominant in the state. Kaka Ji is the son of royal Sardar Kartar Singh Brar falls in love with Deepi, a young girl from the adjacent village. Things take a turn when Kaka Ji gets trapped by the gang while trying to save the love of his life.

An honorable man changes the course of his life when he and his friends make some decisions that put them on the wrong side of the law.