Elvis returns to Vegas and encounters Howard Hughes, a gang of evil spies and a nuclear airplane, while Bertie deals with Scatter's reckless behavior.

When psychedelic drug professor Timothy Leary gets sprung from prison, Elvis and CeCe trace him to Algeria, where the Commander tries to woo Bertie.

As an Elvis fan convention takes place at The Peabody Memphis hotel, the singer experiences a wild, drug-fueled trip courtesy of Professor Leary.