In the 31st Century at the planet Troy, the space explorer Ulysses prepares to take his ship, the Odyssey, and its crew back to Earth, where political unrest between impatient Princes threatens the peace. Ulysses must also return to the Earth before the next comet travels across the sky there, otherwise his wife Penelope's duty will be to find another husband. Before their journey begins, the Odyssey's crew celebrates Ulysses' son Telemachus' birthday, and he is given a new little robot named Nono. On the Odyssey's journey back to the Earth, the Odyssey's computer Sherka detects a previously…