Y/n L/n, is a mechanic in a small town in Texas, and is best friends with Cade Yeager. 27 years old and working alone, she is the best mechanic that the Yeager family knows. But her life changes when Cade shows her a truck that he had found. Y/n and the Yeagers discover that the truck isn't what he seems, it is the Autobot Leader Optimus Prime. Y/n has no reason to fear him, for her Uncle William Lennox, had worked with them before. What happens when Y/n and the Yeagers get into trouble, and what happens when the Autobot Leader, develops feelings for Y/n?