Joel Magnolia is a teenage prodigy. With the help of his college roommate Sang, Joel designs molecule-sized robots that can be injected into soldiers in order to enhance their performance. As fiercely intelligent as he is, Joel can't figure out a way to talk to girls. Instead, he resorts to anonymous love letters to Maria Avellana, another brilliant grad student, who is nice to him at the lab. After humiliating himself in front of her, Joel becomes...