Tad accidentally unleashes an ancient spell, endangering the lives of his friends Mummy, Jeff, and Belzoni. With everyone against him and only helped by Sara, he sets off on an adventure to end the Curse of the Mummy.

Candela, the headmistress of an elite school, after a traumatic divorce, returns to her old high school to lead a group of rebellious students through chess. There she will learn that in chess, and in life, it doesn't matter if you are a king or a pawn, because everyone ends up in the same box.

Tadeo Jones Las Vegasera joan da Sara Lavroff arkeologoaren azken aurkikuntzaren aurkezpenera: Midasen lepokoa existitzen dela frogatzen duen papiroa. Baina berrelkartze zoriontsua korapilatu egingo da, aberats maltzur batek Sara bahitu baitu talismana aurkitu eta aberastasun infinituak lortzeko. Belzoni loroa eta Jeff txakurrarekin batera, Tadeok bere buru-argitasuna erabili beharko du Sara onik erreskatatzeko.

Richard Carson aberats diruzaleak lurreko sateliteaz jabetu eta etorkizuneko energia iturri garbi eta erreala, Helio 3a, ustiatu nahi du. Horretarako, Apolo XI-ko astronautek ilargian eman zituzten lehen urrats ospetsuak historiatik ezabatu beharko ditu. Eta hua eragozteko gai den pertsona bakarra Mike Goldwing da, 12 urteko surflari jatorra. Bere lagun Amy eta Marty-rekin batera, ilargira bidaia ahaztezin bat egingo dute, Mike-n aitona astronauta ohiarekin batera. Orain Mike eta bere lagunen esku dago Lurraren etorkizuna.

In 1588, a castaway from the Spanish Armada, sent from Portugal by Philip II of Spain to conquer England, is captured on an Irish beach. There he is tried, declared guilty and hanged to death. All of this would be reasonable according to the laws of war and hatred among humans. The problem is the prisoner is a monkey.

Jeff, Tad's dog, and Belzoni, Sara's parrot, must guard the ancient hand of Queen Nefertiti at the Metropolitan Archaeological Museum.