The gang manage to acquire a plane and aim to fly to Sardinia, after dispatching an enemy. However, once they are in the air, they find themselves under attack by a powerful and terrifying foe.

On the island of Sardinia, a boy named Doppio is searching for Trish and the others on orders from Passione's boss. But Doppio has a dark secret, one that becomes apparent when he encounters Risotto of La Squadra.