Life on Earth has indeed returned to normal. Vegeta lands at Capsule Corp. and reports no luck in finding Goku. Meanwhile, Chi-Chi feels that a tutor can help Gohan with his studies. She later gives the tutor the boot, though, because he kept taking potshots at the missing Goku. A far bigger problem awaits out in space. The newly cybernetic Frieza is coming to Earth for revenge, and he’s not alone. The Z Fighters know what they have to do, but without Goku, victory is impossible.