Goku and his companions arrive at the mystic Second Demon World where a giant ocean spreads as far as the eye can see! The party is amazed at the new world but is immediately attacked by Gendarmerie that have been sent by Gomah!

Having regrouped with Vegeta and the others, Goku and his companions arrive at a planet that seems familiar. As they move to head out, a suspicious shadow approaches! It's the Legendary Namek who remained alone in the Demon Realm!

Vegeta’s battle with the Tamagami is evenly matched, but forced underwater where he's not used to fighting, he finds himself struggling! Vegeta is cornered and sinks to the ocean floor. But then he finally unleashes his true strength!