What is the gist of chapter 14 lightning thief

Percy was on his way to the summer camp and it was raining, and his mom knew that there was a bulky bull chasing him trying to kill him them a lightning bolt struck the car and the car was in a ditch. Grover was hurt and he was saying "Food" (guess he was hungry). the bull grabed sally and killed her.

Then Percy pulled the horn of the bull off with all his strength and killed him. Percy carried Grover to the camp and blacked out. He later woke up to a ladies voice saying, "Hes the one."