Gracie Sergeant hires black-haired, sultry Steve Mulcahy as the new "Elvis" for her Las Vegas wedding chapel — not realizing he’s an undercover FBI agent out to nab a mob boss at his upcoming nuptials. Or that Steve’s secret weapon is all in the hip.

Alyssa Reynolds is trying to conjure up The King in a backroom séance at her Elvis memorabilia shop when Brett Neale walks into her store.With his hypnotic blue eyes, Brett is Elvis — or he will be once she helps him win Vegas’s American Idol-style Elvis Legacy contest.

Stand-up comic Ellie Evans is determined to keep her relationship with comedy writer Charlie Webster strictly professional — in spite of the attraction. But just when Charlie’s about to check into the Heartbreak Hotel, he gets personal advice on how to make his moves…from The King himself.