Ever since his dad left, James can't seem to stop worrying about everything. His favourite hobby, baking, is a fun (and delicious!) distraction, but no matter how many AMAZING brownies he makes, James still feels like there's a missing ingredient in his life . . . Until he discovers rapping, and he's COMPLETELY hooked. It's not long before James starts writing his own raps about everything - from music and cakes to his giant pet rabbit, Graham! So when he hears that grime artist star Brukka is on the hunt for young talent, James starts to wonder: could this be his chance to share his MUFFINS, his MUSIC, and maybe even his feelings with the whole school? If he could only find the confidence . . .