Galahad is a man bound to a wheelchair; a paraplegic who lost his family in an accident three years ago. Although crippled in body, he is a savant when it comes to solving mysteries. He's been investigating cold cases for the FBI and local police for several years, but for the past 6 months things have been quiet. Everything is about to change as a new liaison shows up at Galahad's front door with a case too intriguing to ignore.