Hiccup finds something very strange. Merida has to go to a trip to meet with her parents allies. Rapunzel is living her normal life, when darkness begins to descend on the tower. Jack learns of very strange things that are afoot. this is a 'big four' story (trilogy, whatever) i'm putting together. May have characters from frozen and OCs. ships: hiccupxjack, and Meridaxhiccup)