Thor and Loki have grown up to be very different. One of them represents strength and bravery, while the other works with mind and reason. This, however, will be the very first time, when they will need to work together as crown princes, in order to fend their father's rule. Unfortunately that also will be the very first time, when they will face the loss and destruction beyond their comprehension, thereby one of the brothers will make a revelations, which will eventually lead to his fall from the grace.