Two snobbish art-collecting aliens arrive in Florence and begin stealing great works of art, while the Turtles and April are there. The citizens blame the Turtles for the theft, and after being defeated in their efforts to stop the aliens, the TMNT must escape an angry mob.

As April, Irma and Vernon visit Athens, April receives a present of a strange necklace. She begins to go into trances, during which she acts like an imperious queen! Just then, Shredder along with Rocksteady and Bebop, who have been persuaded by Krang to search for a valuable energy source, arrive and find that the necklace is the power source that they need!