In a small California town, a likable mechanic named George Malley experiences a dramatic transformation on his 37th birthday when he sees a bright light in the sky. Overnight, George's intelligence and abilities skyrocket, enabling him to learn new languages, solve complex equations, and develop telekinetic powers. Startling the peaceful town, his newfound talents earn awe from some residents and suspicion from others. As George evolves, he tries to use his abilities for the betterment of his community while pursuing a romantic interest in Lace, a single mother who is initially wary of his advancements.

George's transformation soon draws the attention of scientists and government authorities, leading to growing tension. Intrigued and alarmed by George's unprecedented abilities, they seek to understand and perhaps control him. Meanwhile, George faces personal challenges as his friendships are tested and he grapples with understanding the full extent and purpose of his powers. Despite increasing scrutiny, George remains committed to assisting others, attempting to demonstrate the potential for human greatness and the importance of love and connection in the simplest acts.