Merida, an impulsive young lady and daughter to King Fergus and Queen Elinor, is determined to carve her own path in life. Defying the age-old and sacred customs, Merida's actions inadvertently unleash chaos and fury with the other Scottish Lords, and in the process she stumbles upon an eccentric and wise old woman who grants her ill-fated wish. The ensuing peril forces Merida to discover the true meaning of bravery in order to undo a beastly curse before it's too late.