Still anxious about the tragic events of her last visit to Centopia, Mia can't concentrate on the things that matter, like schoolwork or her duty to her best friend Vincent. But in Centopia, she has another friend in need: Onchao. Now that Lyria's gone, he's bored, lonely and lost. Though Mia is desperate to cheer him up, she soon finds herself in a sticky situation and only the despondent Onchao can help.