Kamina is your average 17-year-old high school student, living in Tokyo, when all hell breaks loose. Unfortunately for him, Kamina is in the middle of all the chaos and is forced to deal with things that are beyond him and just about every normal human being. He ends up piloting a giant winged robot called RahXephon that only he can pilot. As the series progresses, Kamina tries to unveil the mysteries behind his past and find his true identity and purpose.