The story follows the established team of clumsy archaeologist Tad, his partner Sara, and their mummy companion Momia on a time-travel quest sparked by a magic lamp discovered at Buckingham Palace. This setup prioritizes straightforward historical exploration and light family humor over any ideological messaging, keeping the focus on entertainment and adventure in line with prior entries. The plot centers on Momia’s wish to return to his youth in 1502 Peru, sending the group through settings like Paititi, ancient Greece, and Ali Baba’s cave to avert timeline disruptions.

Family dynamics shift when Tad and Sara become parents to toddler Oli, creating jealousy-driven comedy that sidelines Momia without touching progressive themes. Casting and characters stay consistent with the franchise’s organic historical adventure roots, showing no race- or gender-swaps of established figures and reflecting no activist creator intent.