What was the problem and solution in transformers the movie the first one?

I saw the movie but forgot.What happened?the problem %26amp; solution?What was the problem and solution in transformers the movie the first one?Sam had a pair of glasses that were needed to activate the autospark. The Decepticons wanted the autospark as a weapon and the Autobots needed to protect Sam. At the end, the autospark was destroyed by shoving it into a Decepticon's chest.What was the problem and solution in transformers the movie the first one?shia gets a car for his graduation or somthing and he turns out to be a transformer. then the others come down to earth becuase he found out. then the decpeticons come and try to destroy the earth so they have to save everyone and figure out more about them.What was the problem and solution in transformers the movie the first one?Megatron unleashed optimus kicks but and sam infuses the all spark with megatrons chest and kills him.