After Raditz kidnapped his son Goku could do nothing but just sit there and ponder on how to get his son back when Piccolo arrives on the spot.He offers Goku a hand against Raditz. Even with his friends in doubt Goku accepts. They then get the dragon radar and head off in the direction of the 4-star dragonball… or the one on Gohan’s cap. Will they succeed in their quest?