Bumblebee, left alone in the 1980s, is still very young. The yellow autobot Bumblebee, who doesn’t know where to go and who has no one, runs away in 1987 and is hiding. As a safe harbor, he took refuge in a tranquil coastal California town. Charlie is a young girl about 18 years old. One day he discovers the Bumblebee in ruins. The young woman, who thinks she sees a hoof that is likely to work, deals to repair her. Bumblebee to work in his workshop and began to work on Charlie, when he reaches the goal of this car is not an ordinary “tortoise” discovers. Charlie, friends with Bumblebee, will be on an adventure with him to protect the autobot after his best friend.