After a long battle between the Resisty and the Irkens on the irken planet, one of those Resisty modifies the back of one specific Irken, changing completely his genetic.
An Irken and Vortian ADN, fuse together..,creating to the being called: Feral Zim.
The Tallest, trying to protect themselves, send Zim to the earth so he can no longer come back. When Zim arrives at earth, he promise to capture all humans so he can finally quench his hunger.
But, who’s this little boy that tries to stop this unstoppable monster!?
Don’t trust on all the synopsis, some things can…change.