In their new overseas home, an American family soon finds themselves caught in the middle of a coup, and they frantically look for a safe escape in an environment where foreigners are being immediately executed.
Four young outsiders teleport to an alternate and dangerous universe which alters their physical form in shocking ways. The four must learn to harness their new abilities and work together to save Earth from a former friend turned enemy.
One peaceful day on Earth, two remnants of Frieza's army named Sorbet and Tagoma arrive searching for the Dragon Balls with the aim of reviving Frieza. They succeed, and Frieza subsequently seeks revenge on the Saiyans.