Alex is twelve years old. Among his peers, a schoolboy is a loser who has no friends. The protagonist of the movie "The Kid Who Would Be King 4K Ultra HD" faces typical problems for his age. Alex has a few humble peers with whom he communicates. One day a teenager has to face a huge responsibility and defend the whole world. It's a coincidence that a British schoolboy finds King Arthur's sword. Legend says that the man who receives this weapon will be able to stop any adversary. King Arthur was incredibly strong with this sword. Alex is far from the bravery and courage of the legendary character, but he will have to put aside all his fears and go on a long journey. Only this boy can save people from a medieval witch. In the very shortest time, the boy needs to learn how to handle this sword. Lucky for him, his buddies came to his help. The brave boy can't tell his parents about his adventures. The main character has to hide the truth and continue to lead the humble life of a school loser.