DragonBall General Blue Saga Vol 4

The search for the dragon balls leads Goku; Krillin; and Bulma to a beautiful island with an amazing secret. This former pirates den is home to a heavily defended underwater lair and the only way to the dragon ball is through the perilous subterranean stronghold! But the vile General Blue lurks in the shadows; following every move the dragon ball hunters make; hoping to steal the ball for the Red Ribbon Army!