When her friend suffers a bizarre accident, Rosa realizes the secret student society they've just joined is built on demonic secrets from Dutch history.
When Kelly is released from prison, her sister Samantha tries hard to keep her on the right track. But then Kelly’s ex-boyfriend Eddy gets back into her life.
The five residents of the House of Anubis visit a museum, where Anastacia sees a torque, a Celtic piece of jewelry. When Anastacia doesn't get it off after fitting the torque, she asks her friends for help. When the five are all in contact with the torque they are flashed back in time and they end up in a battle between the ruler Balor and Ward the boy, who is destined to become a king.
