London Transport lends a hand as "Don" (Cliff Richard) and three friends rescue an American girl, “Barbara/Bobby” (Lauri Peters), and embark on a European tour aboard a double decker bus. The concept—using the bus as mobile lodging—isn't entirely ridiculous. Simultaneously, her affluent mother, "Stella" (Madge Ryan), is distressed and alerts the authorities to what she considers kidnapping. During their travels acros…

Peter Yates directs and co-writes Summer Holiday alongside Ronald Cass, with Cliff Richard joined by Lauri Peters, Melvyn Hayes, and Una Stubbs in the cast. The narrative follows Richard and three friends as they journey through Europe on a red London double decker bus during their summer break, encountering various people and young women along the way—expect music and merriment. Though lacking substantial plot de…