College student Jeffrey Beaumont returns to his idyllic hometown of Lumberton to manage his father's hardware store while his father is hospitalized. Walking though a grassy meadow near the family home, Jeffrey finds a severed human ear. After an initial investigation, lead police Detective John Williams advises Jeffrey not to speak to anyone about the case as they investigate further. Detective Williams also tells Jeffrey that he cannot divulge any information about what the police know. Detective Williams' high school aged daughter, Sandy Williams, tells Jeffrey what she knows about the case from overhearing her father's private conversations on the matter: that it has to do with a nightclub singer named Dorothy Vallens, who lives in an older apartment building near the Beaumont home. His curiosity getting the better of him, Jeffrey, with Sandy's help, decides to find out more about the woman at the center of the case by breaking into Dorothy's apartment while he knows she's at work.
The sixteen year-old aspiring model Jesse arrives in Los Angeles expecting to be a successful model. The aspirant photographer Dean takes photos for her portfolio and dates her. Jesse befriends the lesbian makeup artist Ruby and then the envious models Gigi and Sarah in a party. Meanwhile the agency considers Jesse beautiful with a "thing" that makes her different and she is sent to the professional photographer Jack. Jesse attracts he attention of the industry and has a successful beginning of career. But Ruby, Gigi and Sarah are capable to do anything to get her "thing".
Carved from a lifetime of experience that runs the gamut from incarceration to liberation, Dog Eat Dog is the story of three men who are all out of prison and now have the task of adapting themselves to civilian life. The California three strikes law looms over them, but what the hell, they're going to do it, and they're going to do it their way. Troy, an aloof mastermind, seeks an uncomplicated, clean life but cannot get away from his hatred for the system. Diesel is on the mob's payroll and his interest in his suburban home and his nagging wife is waning. The loose cannon of the trio, Mad Dog, is possessed by true demons within, which lead him from one situation to the next. One more hit, one more jackpot, and they'll all be satisfied. Troy constructs the perfect crime and they pull it off, but in the aftermath, they keep finding the law surrounding them wherever they go.
Thomas Jerome Newton is a humanoid alien who comes to Earth to get water for his dying planet. He starts a high technology company to get the billions of dollars he needs to build a return spacecraft, and meets Mary-Lou, a girl who falls in love with him. He does not count on the greed and ruthlessness of business here on Earth, however.