Aadu 2 revolves around Shaji Pappan and his group of misfits, who take part in another tug-of-war contest to win the golden cup. But along the way they unwittingly get drawn into a deal gone wrong, which involves dangerous smugglers.

Triumph in a local Tug-of-war tourney gifted Shaji Pappan and his gang, a cute but naughty little goat 'Pinky'. Their attempts to dump the goat, unknowingly, interrupts few groups of smugglers, who are in race for the 'Neelakodiveli'.