What is the story line of Halo 3

well the story is: now the human race has come up with a plan to stop truth (the covanents last leader) now that the master chief is back with them, the mission will have a better chance on being sucsesful. and with the arbiter and the mighty eliets at the master chief aid, nothing will stop them! now the story for truth is he wants to open a portal to get to the ark, the ark is a huge station that will fire all the rings at once destroying all living things in the universe, but in order for truth to do that, he must put his secred ship down into a landing bay, once the ship lands, strange walls will lift up and a strange power source will open up a huge portal for truth and his fleet to go through, once they go through the portal it will take them to the ark where truth can fire all the rings. but the human know his plans and they intend to stop him, so they send in a huge fleet to destroy truth and the ship he is in, but once the humans start to fire at his ship, it is already to late, first of all truths ship did not blow up and second of all, the portal has opend! and now as truths ships enter the strange portal, and leave the humans and eiliets to regroup and chase after them, something bad happens, a strange ship comes out of slip space rupture and crashes into the city, now the humans have even a bigger problem, THE FLOOD! now they must destroy the city or risk losing the whole world. so after they destroy half of the contenent and make sure the flood is contained the humans and the eilets prepare to go through the portal and stop truth from firing all the rings. now when they finaly get through the portal, the eiliets go into a space battle with the brutes, whiel the humans go down to ground and infultrate the ark and lower truths shield barrier so the eileits and humans can come and stop him at once but as the eileits are coming down in there ship, high chartiy (the covenant city in halo 2) comes down through another slip space rupture with the flood on board it. now the arbiter and the chief finaly rush into the ficilaty and kill truth but now the flood are on the loose and master chief must now destroy the ring and all the enemys on it. after a lot of death and losses the master chief finaly destroys the ring, the covenant, and the flood for good. but is now lost in space and goes into hyper sleep to wait for his felow human friends to come find and rescue him.... even if it takes years for them to find him.