Extract the answer to the following question from the movie plot. If the question isn't answerable, please output "Can't answer". Question: Who accompanies Marcus on his travels? Title: The Eagle of the Ninth Movie plot: The Year is A.D. 140, and it has been 20 years since Rome's legendary Ninth Legion marched north into Caledonia (modern Scotland) to gain control over all of Britain. The Legion was completely defeated, to Rome's embarrassment, and the Legion's prized standard, a golden eagle, captured. Marcus Flavius Aquila (Channing Tatum) is the son of the Legion's General, and is determined to exonerate his father and the family name. Choosing Britain for his first active station, he must prove himself to his men when local Barbarian tribes, led by an angry Druid, attack the fort at night.Marcus senses the attack and wakes his men in time. They fight the intruders and win the battle, but the next day the Druid returns with prisoners of war - an expedition Marcus had sent out to find a grain convoy. The leader of the expedition is beheaded before their eyes.Unwilling to bear the guilt of his men's death, Marcus leads the best of his men out of the fort. Using their shields and proven Roman infantry battle tactics, they push back the Celts and defend the prisoners. They have started moving back to the fort when the Druid summons his chariots, which race forward with scythes on the wheels and hack down the retreating men. Marcus grabs a spear, steadies his aim, and launches it toward the Druid. The spear kills the driver, causing the chariot to topple onto Marcus.With his leg badly injured, Marcus is sent to his Uncle (Donald Sutherland)'s house to recover. His captain informs him that Rome has learned of his actions: Marcus has been given an honourable mention for leading his men in a courageous fight to defend the fort, but due to his injury, he has been given an honourable discharge from the Army.Marcus is distraught. He watches a gladiatorial contest with his Uncle, in which a young and practically defenceless slave (Jamie Bell) is pitted against a seasoned gladiator. The boy refuses to fight, throwing down his weapons and standing stoically in wait for death. Marcus is moved by his courage, and when the gladiator seeks...
Answer:
Esca