The story of Captain Balram Singh Mehta of India’s 45 Cavalry regiment who, along with his siblings, fought on the eastern front during the Indo-Pakistani war of 1971. Named after the Russian amphibious war tank “PT-76”, which floats on water like an empty ‘pippa’ (tin) of ghee, the film traces Mehta's coming-of-age as he steps up to prove himself in a war to liberate Bangladesh.
Kabir, a special task force veteran, is brought out of retirement to hunt down an enemy, Umar Riaz, he thought he had neutralised but is still alive. He, along with a reassembled special task force, decides to infiltrate Umar's brother's wedding after learning that Umar would be in attendance. However, when things do not go as planned, Kabir and his team must give their all to ensure the dangerous man is caught.