After retirement, Professor James Anders presents criminal Mark Milford an elaborate plan to rob a diamond company in Brazil with a crew of professionals. The men assemble in Rio de Janeiro and run in to an unanticipated problem: a new alarm system called Grand Slam 70.
Grand Slam
At the suggestion of a retired professor, a motley group of criminals plans the robbery of a Brazilian diamond company but it must contend with a new alarm system and the mutual distrust among its members.