When Grandma Audrey vanishes during her 70th birthday celebration, her curious grandson Ethan is determined to unravel the mystery. Guided by a trail of cryptic clues and a mischievous shapeshifting girl named Lizzie, Ethan and his family embark on a globetrotting quest to find the ingredients for Grandma's magical potions - and hopefully bring her home. From the glaciers of Iceland to the jungles of Cuba, danger and wonder await at every turn as the Gross family races to unlock the secrets of Grandma's otherworldly research before it falls into the wrong hands. But even if they succeed in brewing the extraordinary elixirs, will it be enough to reach Grandma, lost in a realm where time itself has ceased? In this enchanting tale full of humor and heart, one family will discover the unbreakable strength of love, the unshakable power of courage, and the untold potential of a little everyday magic. Soar along on this unforgettable adventure and uncover the astonishing truth of Grandma's greatest discovery - a potion that may just bring them all together again. A spellbinding story of family, friendship, and the magic that forever binds us, even across the boundaries of time and space.