On a long and lonely desert walk, chatty and outgoing Porcupine discovers quiet Cactus and couldn't be happier. These two spiky specimens are sure to have tonnes in common! But when Porcupine tries to get to know his new pal, Cactus doesn't say a word. After a miscommunication, Porcupine realises Cactus is more than shy-he's downright prickly! Will these new buddies manage to mend their friendship?