Having followed Goku's lead, Chi-Chi, Bulma, and Goku are now the strongest people on Earth. Yet, Bulma is a bit over protective of Goku, despite Goku being the strongest of them all. Soon though, Raditz comes and finds his sister doesn't remember who she is. Finding it necessary to call for reinforcements to make Goku come defeat Freeza with them, Raditz convinces Vegeta to come to Earth. The one problem is, Vegeta has never met nor talked to a saiyan woman before.

Kakarot is a 19 year old beta saiyan. He is very different from other saiyan. Broly a 19 year alpha Saiyan who was saved from being exiled. He has similar story to Kakarot. One day they cross paths and become friends. Together they cause trouble, get strong, and fall in love with each other.