On a beautiful day at the beach, a young boy brings his bucket, shovel, and imagination, and builds a perfect sand castle. Right away, a dragon moves in. The boy decides to befriend his dragon and they spend time roaming the shore, flying a kite, braving the waves, defying bullies, and roasting marshmallows-all while Dad is busy sunbathing and Mom is engrossed in her book. Unfortunately, no one believes the boy when he tries to share the news of this...