The Big Bull is a biopic that narrates the story of a man who sold dreams to India, Harshad Mehta. The man who started off as a small-time stockbroker at Bombay Stock Exchange and how he made it big while getting involved in financial crimes that he committed over a period of 10 years, from 1980 to 1990. The scam that no one could ever think of which shook the country’s financial status and is remembered as the mother of all scams.