When Marty and the Doc return from a visit to the year 2015, they discover someone has tampered with 1985 and try to go back again to 1955 and save the future.
After he's shot during a heist in East L.A., an armored-truck driver wrestles with rehabilitation and tracking down the man who committed the crime.
Mild-mannered businessman Sandy Patterson travels from Denver to Miami to confront the deceptively harmless-looking woman who has been living it up after stealing his identity.
The murder of a Mafia leader's mistress leads to a bloody gang war.
Dale, Kurt and Nick decide to start their own business but things don't go as planned because of a slick investor, prompting the trio to pull off a harebrained and misguided kidnapping scheme.