Plot Summary:Dan Briggs apparently rejoins the Impossible Missions Force after some sort of sabbatical. His recorded instructions include the words, "Welcome back, Dan. It's been some time." Briggs assembles a team that includes a master of disguise, a femme fatale, an electronics whiz, an incredibly strong man and a safecracker. Briggs will need all their skills to steal two atomic bombs from a hostile South American country.