When Dick Grayson is adopted by Bruce Wayne and taken to Wayne Manor, he discovers Batman's secret lair, and fights crime alongside him as Robin, the Boy Wonder.

Batman may be a crime-fighting vigilante and a heavy-metal rapping machine, but at the end of long night's crime fighting, he comes home to an empty Batcave. He's lonely. Will Batman let orphan Dick Grayson and police commissioner Barbara Gordon join his team? Or is Batman destined to spend the rest of his life alone?