Portland, Oregon, 1971. Bob Hughes is the charismatic leader of a peculiar quartet, formed by his wife, Dianne, and another couple, Rick and Nadine, who skillfully steal from drugstores and hospital medicine cabinets in order to appease their insatiable need for drugs. But neither fun nor luck last forever.
In Los Angeles, a gang of bank robbers who call themselves The Ex-Presidents commit their crimes while wearing masks of Reagan, Carter, Nixon and Johnson. Believing that the members of the gang could be surfers, the F.B.I. sends young agent Johnny Utah to the beach undercover to mix with the surfers and gather information.
The true story of the investigation of the "Zodiac Killer", a serial killer who terrified the San Francisco Bay Area, taunting police with his ciphers and letters. The case becomes an obsession for three men as their lives and careers are built and destroyed by the endless trail of clues.
The attempted assassination of the American president is told and re-told from several different perspectives.