"The Accidental Time Traveller: The Smile in Chongqing" follows historian Elliot Mercer, who possesses the extraordinary ability to travel through time. Intrigued by a photograph showing a woman's genuine joy in a Chongqing leather workshop, Elliot journeys to 2022 China to meet Lin Wei, whose radiant smile had captivated him.

Under the pretense of needing his travel bag repaired, Elliot connects with Lin Wei and discovers her story—an accountant who abandoned corporate success to return to her family's traditional leather crafting business, finding authentic fulfillment in creating things of lasting value. Through a family celebration for her father's 65th birthday, Elliot witnesses the strong family bonds and cultural traditions that give her life meaning.

After returning to 2025, Elliot makes an unprecedented journey forward to 2035, testing his ability to witness not just the past but potential futures. He finds Lin Wei has transformed the family workshop into "Heritage Craft," an upscale artisanal business preserving traditional techniques while creating luxury goods—an adaptation to economic challenges that threatened many small businesses in the late 2020s. But one thing he didn't expect was the coin has flipped, because he listens to Lin Wei talking about the world that she has lived through, but it is the future for him!

Though her father has passed away, Lin Wei's family legacy continues through her daughter Mei-Ling, now the workshop's lead designer, while her son works on China's Mars habitat project. Against the backdrop of a transformed Chongqing with ecological integration and technological advancement, Lin Wei's story exemplifies how ordinary people navigate historical forces not as passive subjects but as active participants who preserve what they value most while adapting to inevitable change.

Through Lin Wei's journey, Elliot gains insight into the universal patterns of human resilience across time—how authentic alignment with one's values creates the foundation for navigating life's uncertainties with grace and purpose.