This film tells the story of a successful writer called Harry Block, played by Allen himself, who draws inspiration from people he knows in real-life, and from events that happened to him, sometimes causing these people to become alienated from him as a result.
A middle-aged couple has a drifter enter their lives. The fish-store owners find that the mysterious young man awakens the couple in ways they didn't expect. Things get tense when the drifter begins an affair with the woman of the house.
An Innuit hunter races his sled home with a fresh-caught halibut. This fish pervades the entire film, in real and imaginary form. Meanwhile, Axel tags fish in New York as a naturalist's gofer. He's happy there, but a messenger arrives to bring him to Arizona for his uncle's wedding. It's a ruse to get Axel into the family business. In Arizona, Axel meets two odd women: vivacious, needy, and plagued by neuroses and familial discord. He gets romantically involved with one, while the other, rich but depressed, plays accordion tunes to a gaggle of pet turtles
Two African-Americans and two Puerto-Ricans (though one pretends to be Italian) go out on the town on a Friday night. They will be forced to get to know each other — and even worse, learn to like each other as friends.
A young black pianist becomes embroiled in the lives of an upper-class white family set among the racial tensions, infidelity, violence, and other nostalgic events in early 1900s New York City.