In the mysterious town of Gravity Falls, two curious siblings, a boy and a girl, explore their surroundings with keen eyes and a sense of adventure. They stumble upon hidden secrets and strange occurrences, often aided by a clever investigator and his trusty magnifying glass. Their encounters lead them to encounter extraterrestrial beings, futuristic spacecraft, and enigmatic figures wearing peculiar hats. Along their journey, they cross paths with an elderly man with glasses, who carries a briefcase filled with unknown knowledge. Owls hoot in the night as a wise old wizard guides them through the mystical realm. With the help of a glowing light bulb, unexpected discoveries, explosive encounters, and magical wonders await them at every turn.