This film is adapted from the life of Howard Hughes. Howard Hughes (Leonardo DiCaprio) was born in Houston, Texas, USA. At the age of 18, he inherited his father's wealth from the Texas oil well and moved to Hollywood with a dream of making movies. In 1926, he bought the control of 125 theaters and spent millions of dollars to shoot the real-life air combat epic film "Hell's Angels", becoming a famous producer; in 1939, he took over Trans World Airlines, and he quickly turned the company from loss to profit. During World War II, he cooperated with the US military and presided over the invention and improvement of the Blue Spruce aircraft. While Howard Hughes achieved great success in his career, he also suffered from depression and obsessive-compulsive disorder; his emotional life was full of twists and turns. Katharine Hepburn (Cate Blanchett) and Ava Gardner (Kate Beckinsale) left him one after another, which hit him hard. The film selects important life events of Howard Hughes and truly reproduces his legend.