Set against the impending threat of a mysterious asteroid named 'Potato Star 2013QR3' hurtling toward Earth, the series follows the eccentric Noh family and their quirky neighbors. The story kicks off when a freak accident brings a brilliant young programmer, Hong Hye-sung, into their orbit, turning their lives completely upside down. As the world speculates about impending doom, the family navigates corporate power struggles, bizarre daily mishaps, budding romances, and deep family secrets. The narrative intertwines the lives of the ambitious Noh Jin-ah, her eccentric grandfather Noh Song, her mother Wang Yoo-jung, and her genius younger brother Noh Min-hyuk. Alongside them, the neighboring Kim family adds to the comedic chaos, particularly through the endearing dynamic between Kim Do-sang and his wife Gil Sun-ja. Blending slapstick comedy, heartfelt family drama, and a touch of sci-fi absurdity, the show explores how ordinary people react when faced with the potential end of the world.