Reagan Thompson (Michael Keaton), who is already over 50 years old, was once a Hollywood movie star. The superhero Birdman he created is a household name. Now that his glory has long become yesterday's news, Reagan, unwilling to be lonely, has turned to Broadway and tried to regain attention and respect by adapting Raymond Carver's "What We Talk About When We Talk About Love". Unfortunately, there is always a big gap between reality and ideals. The crew is short of funds, the bad male lead was hit on the head by a lamp, his daughter Sammy (Emma Stone) who just came out of the drug rehabilitation center, and the venomous drama critic is ready to go. In addition, the popular Hollywood actor Mike Shannon (Edward Norton) who was invited to save the scene is perverse and flamboyant, and has repeatedly tampered with the drama that Reagan has worked so hard to create. Amid the chaotic drumbeats, the ill-fated drama ushered in an important moment of performance...