Hailee Steinfeld and John Cena star in this sci-fi action spin-off set in the late 1980s, 20 years before the events of 'Transformers' 2007. When teenager Charlie Watson Steinfeld gets an old, yellow VW Beetle for her 18th birthday she soon discovers that it is a Transformer, an Autobot named Bumblebee. As their bond grows they encounter other Transformers, but soon find they are Bumblebee's adversaries and have enlisted the help of Agent Burns Cena to try and have him destroyed. Charlie and Bumblebee must then work together to protect one another as well as the rest of the world.