On the cusp of his 100th birthday, the vivacious Allan Karlsson decides to dodge the dull nursing home celebration in favor of an escapade. His flight from the residence in slippers instigates an unforeseen and whimsical journey, weaving in a stolen suitcase brimming with cash, a series of accidental encounters with criminals, and an extraordinary friendship with an elephant. While these comedic misadventures unfurl, glimpses into Allan's former life reveal an unwitting influencer of 20th-century history, who dined with dictators and altered the course of historical events with his expertise in explosives. 'The 100-Year-Old Man Who Climbed Out The Window And Disappeared' is an enchanting narrative blending historical fiction and humorous adventure, spotlighting a centenarian's unexpected final quest and his remarkable past that changed the world.