India, June 18 -- It was in 1927 that 21-year-old businessman Howard Hughes decided to turn film director. At that point, he had already produced three films, the last of which even won an Oscar for its director. But Hughes wanted to make the biggest film ever. The billionaire had considerable funds at his disposal as one of the world's richest men. So, he set out to make the greatest war epic ever, and redefined how Hollywood made war dramas. In the process, he burned up a lot of money, made some back, and almost lost his sanity.

World War I drama Hell's Angels began filming in 1927 as a silent film. But soon, Jazz Singer, the first talkie, was released in theatres. Hughes, now wanted to reshoot the film with sound, because he did not w...