In season two, a major new mystery unfolds as Nina and her friends return for their second term at Anubis House. They realize their boarding school experience consists of more than just pillow fights, midnight feasts, heartbreaks and betrayals, when an ancient force stirs within the house and sends them on a dangerous mission. In a test of their resourcefulness, courage and loyalty, the teens undertake a series of perilous challenges in order to find a powerful and long-forgotten treasure.