On the way home from Jared's shop with Gran Gran, JoJo finds out there are signs everywhere and they all mean different things. Gran Gran has a plan – they can make their own signs.

JoJo and Gran Gran meet Isaiah and his daddies at the concert hall. The orchestra are going to play some very special Captain Chloe music, and Isaiah's daddy Joshua has a clarinet solo.

Space, blue wool and a special label – three clues to help JoJo find the owner of a precious toy. JoJo and Gran Gran are detectives on the case of the lost teddy.