The evil Lord Miroz (Serge Castrito) killed his brother and held Prince Kespin (Ben Barnes) for a long time, waiting for an opportunity to usurp the throne. Forced by Miroz's murder, Caspian fled the castle late at night and ran deep into the Narnia jungle. Under the pursuit of the enemy, Caspian blew the horn in panic. In the other world, Peter (William Mosley), Susan (Anna Paporwell), Emond (Skander Cairns) and Lucy (Jookie Henley) have become ordinary students on the streets of London. But the sound of the horn made them feel Narnia's call again. After 1300 years, Narnia, which was controlled by the Telmas, was waiting for the rescue of the king and queen.