Dragon Ball Z is about a man named Gokou, who is very strong and but not very
smart on how the world works.
In the begginning a ferice fighter named Raditz from another planet lands on
earth and starts destroying things. He starts looking for his brother that was
sent there as a baby with a mission to get rid of all human life. But as he sees
his brother has not done his job. Raditz seeks out the most powerful person on
earth only to discover that it is his brother who has become earths greatest
defender. Some words are exchanged between the 2 and Raditz finds out that as a
kid his brother Kacarot who goes by the name Gokou now, hit his head and lost his
memory of being a Saiyan and there for does not know that he is to destroy a human
life.
Raditz gets mad at Gokou and kidnaps his son Gohan. Raditz tells Gokou that
he has till morning to kill 100 humans or he will kill his son. Gokou does not
know what to do, untill his arch rival Piccolo shows up. They decide to join
forces untill the threat to earth is over. They use the bleaper which is used to
find Dragon Balls to search for Gohan which has one sowen to the top of his hat.
When they find Raditz a fight ensues and Raditz kicks their butts really hard,
but just when things are starting to look really bad for the 2 hereos Gohan powers
up freaking Raditz out really bad cause Gohan's powers are higher then his and his
scanner never detected it. Gohan jumps out of Raditz's pod (which he was being
held in) shattering it into lots of little pieces and then attacks Raditz and head
butts him in the chest, cracking Raditz's armor. Raditz recovers quickly and decides
to finish Gohan off first cause he poses a greater threat then Gokou and Piccolo
combined! Raditz starts kicking Gohan around and Gokou get mad and remembers about
a weekness that he had before he had his tail removed.
Gokou gets behind Raditz just as Raditz is about to hit Gohan with a beam of
energy when Gohan grabs Raditz's tail and squeezes. Raditz is brought to his knees
begging for Gokou to let go. He says that he will leave earth and never come back,
Gokou not knowing a lie when hes told one even when Piccolo tells him that Raditz
is lying, belives Raditz and lets him go. Raditz takes advanatage of this and
knocks the wind out of Gokou.
More fighting goes on and Gokou eventually get Raditz into a full nelson and
tells Piccolo to use his beam cannon to destroy Raditz. Piccolo seeing a chance
to take out 2 rivals at once lightly protests saying that it will kill him too,
but Gokou being the person he is, says he doesen't care as long as the earth is
is safe. So Piccolo powers up his beam cannon fires it. It goes through Raditz
killing both him and Gokou.