Robert Cole, a film editor, is constantly breaking up with and reconciling with long-suffering girl friend Mary Harvard, who works at a bank. He is irrationally jealous and self-centered, while Mary has been too willing to let him get away with his disruptive antics. Can they learn to live with each other? Can they learn to live without each other? The movie also provides insight into film editing as Robert and co-worker Jay work on their current project, a cheesy sci-fi movie.

Vada Sultenfuss is obsessed with death. Her mother is dead, and her father runs a funeral parlor. She is also in love with her English teacher, and joins a poetry class over the summer just to impress him. Thomas J., her best friend, is "allergic to everything", and sticks with Vada despite her hangups. When Vada's father hires Shelly, a makeup expert, in his funeral parlor, and begins to fall in love with her, Vada is outraged and does everything in her power to split them up.

Ned Racine is a seedy small town lawyer in Florida. During a searing heatwave he's picked up by married Matty Walker. A passionate affair commences but it isn't long before they realise the only thing standing in their way is Matty's rich husband Edmund. A plot hatches to kill him but will they pull it off?