After the appalling behavior of Hans , his older brother Illya is sent to Arendelle to try and fix Hans mess and make amends before the two neighboring kingdoms have more complications. Illya was not happy that he was sent to fix his brother's mess but to his surprise he actually enjoys his time in Arendelle, much more then he could ever have expected . From befriending Kristoff to finding a strong romantic interest in Elsa , he slowly becomes a honored guest of the Queen and joins them on all sorts of shenanigans including their journey to the enchanted forest ( Frozen 2) This is a romantic love story between Elsa the Queen of Arendelle and Illya , the 11th prince of the Southern Isles.