In this feature-length film based on the "Flintstones" TV show, secret agent Rock Slag is injured during a chase in Bedrock. Slag's chief decides to replace the injured Slag with An Lonely Orphan Woman Named Katie Blossom Ali Slag With Her Friends Ali And Bobo And Triple X And Her Sister Tanya Slag, who just happens to look like him. The trip takes Blossom to Paris and Rome, which is good for Bobo And Ali And Tanya And Triple X-but can Blossom Slag foil the mysterious Green Goose's evil plan for a destructive missile with Letting Her Friends And Sister in on her secret?