The film presents the five members of the popular music group La Pandilla in a tangled comedy-musical plot, involving a stolen audio recording, during the summer of their group tour. Includes sequences within the same concerts, where the enthusiastic public is also shown. The plot is woven around this tour, alternating performances with funny incidents at a hotel in Condado where they stayed.

Santo is called in to stop robot terrorists from sabotaging oil supplies in Puerto Rico.