True makes a deal with the devil when she agrees to plot revenge with Pinky Turzo (Jennette McCurdy), after diva Kelsey fires them both from designing costumes for Ryan?s school play.
True has a tough time trying to sell her own line of clothes to an Icelandic fashion store owner; Ryan tries to impress a model by telling her he's the new vice president.
The gang travels to Lima for Amanda's wedding to Brock Champion and try to solve the case of the missing "Jewel of Peru", the country's famous jewel that was stolen from the Museum of Peru.
After accidentally placing Mrs. Madigan's wedding ring in a dress pocket and sending the dress to Paris, True and Lulu use planes, trains, and automobiles to get to the ring before Max finds out.