Barry Flynn, a neurotic and highly unpredictable film student, has been off the grid days before the shooting of his first short film, a sitcom. Now, on the first day of the shoot, Barry simultaneously struggles to manage his deteriorating and irritable relationship with his assistant director Clark, his wilting relationship with his girlfriend Daisy, and his cast and crew, who look to him for the guidance he's too incompetent to provide. In a frenetic series of events, Yellow's Foghorn portrays the manifestation of Barry's worst filmmaking nightmares.

The story of a failing relationship between a young man and woman intertwines with the story of an emotionally spiraling friend group, resulting in a series of intense and frenetic events.