In 2008, Oscar nominee Joaquin Phoenix walked away from acting to pursue a rap career, an inexplicably bizarre detour captured in gritty detail in this "documentary" directed by Phoenix's brother-in-law, Casey Affleck. Some speculated Phoenix's behavior was part of a well-orchestrated hoax -- or, even worse, a mental breakdown. But some of the film's graphic footage suggests it could have been a little of both.- Netflix