A young teenager named Leo Dooley lived a normal life until the day his mother Tasha gets remarried to billionaire inventor Donald Davenport, whom they move in with. While trying to find his bedroom, Leo accidentally discovers teenage siblings with bionic powers living in his new basement. The show follows the bionic teens as they unravel in adventurous situations in an attempt to live life like a normal family in the fictional town of Mission Creek, California.