Guy Lambert is a rock 'n' roll singer on a European tour when he becomes entangled in a whirlwind of comedic misadventures. After finishing a show in London, he meets a young heiress named Jill Conway, who quickly falls for him. Jill's uncle, Gerald Waverly, disapproves of her interest in Guy and employs various schemes to separate them. As the tour continues to Belgium, Guy struggles to balance his growing affection for Jill with his professional obligations and the high-strung antics surrounding her protective family. This tension escalates in a humorous sequence of events—including botched plans, mistaken identities, and close calls—that keep Guy on his toes at every turn.

In the midst of these romantic and familial escapades, Guy finds himself caught up in a larger plot involving stolen jewels. As misunderstandings deepen, he inadvertently becomes the target of jewel thieves and law enforcement alike. While trying to clear his name and keep the romance alive, he dives deeper into a tangled web that blends intrigue with slapstick comedy. All the while, his music career serves as both a backdrop and a catalyst for the unraveling chaos. Throughout the turmoil, Guy consistently relies on his charm, wit, and knack for navigating unpredictable situations. With laughs, music, and mysterious escapades aplenty, Guy's adventure steadily races toward an unpredictable resolution.