Please answer the following question: Build a movie plot around this: Who arrives with their first born sons? The allied clan chieftains.
A:
In Medieval Scotland, Merida, a young princess of the clan Dunbroch, is given a bow and arrows by her father, King Fergus, for her birthday. Her mother, Queen Elinor, is dismayed. While venturing into the woods to fetch a stray arrow, Merida encounters a will-o'-the-wisp. Soon afterwards, Mor'du, a huge demon-bear, attacks the family. Merida flees on horseback with Elinor, while Fergus fights off Mor'du at the cost of his left leg.Ten years later, Merida, now a free-spirited young woman, discovers that to her dismay, she is to be betrothed to the son of one of her father's allies. Reminding Merida of a legend of a prince whose pride and refusal to follow his father's wishes destroyed his kingdom, Elinor warns her that failure to consent to the betrothal could harm Dunbroch.The allied clan chieftains arrive with their first-born sons to compete in the Highland games for Merida's hand in marriage. Merida twists the rules, announcing that she is eligible to compete for her own hand as the first-born of Clan Dunbroch. She defeats each of her suitors in an archery contest, shaming the other clans and leading to an argument with Elinor. When Merida leaves, she follows the wisps to the hut of an elderly witch. Merida bargains with the witch, and receives an enchanted cake that will change her fate.When Merida gives the cake to Elinor, it causes Elinor to transform into a black bear. Merida returns to the witch's cottage with Elinor, who still retains most of her human personality. The witch has abandoned the cottage but left a message: unless Merida is able to "mend the bond torn by pride" before the second sunrise, the spell will become permanent. Merida and Elinor are led by the wisps to ancient ruins, where they encounter Mor'du. Merida discovers that he was the prince in the legend, transformed by a similar spell. Merida vows to her mother that she will not let her become a wild animal like Mor'du. She believes that she can reverse the spell by repairing a tapestry she damaged during their argument.The clans...