Susie Higgins arrives in Madrid and moves in with her friend Maggie Williams and Maggie's roommate Fran Hobson. Still a virgin, Susie is surprised to find both of the other girls have active dating lives. Secretary Maggie has recently ended an affair and is now seeing her married boss Paul Barton, much to the dismay of Paul's jealous wife Jane. At the same time, Maggie's co-worker Pete McCoy is in love with Maggie, who barely notices him. Fran, an aspiring actress, flamenco dancer and singer, eagerly pursues Spanish doctor Andres Brioñes. While at the Museo del Prado, Susie catches the eye of wealthy playboy Emilio Lacayo, who adds her to his already large group of girlfriends.
The three girls spend the summer attending various parties while pursuing and being pursued by the men in their lives. In the end, Maggie chooses McCoy over Barton, Dr. Brioñes settles down with Fran, and Lacayo with Susie. All of them decide to stay in Madrid.
The film was announced in February 1964. The original stars to be in it were Ann-Margret, Carol Lynley, James Darren and George Chakiris.[3] By April, Darren and Chakiris had dropped out, replaced by Gardner MacKay, with Pamela Tiffin as the third girl. Negulsesco said the film would be different from the earlier one. "Instead of Rome, this picture is set in Madrid. Instead of three girls and three men, I'm using four. Naturally, the problems of American girls living in Madrid are similar to those in Three Coins, but this is 1964, so we'll have more difficulties."[4]
Ann-Margret was paid $2,000 a week over ten weeks. This was less than she received for other studios, but she had an old commitment to Fox.[5]
Filming started in May which stage Brian Keith had joined the cast.[6] Several scenes were shot in the Prado Museum in Madrid.[7]
According to Fox records, the film needed to earn $3,900,000 in film rentals to break even and made $3,205,000 by December 11, 1970 (equivalent to $19.4 million in 2023)[8], meaning it lost money.[9]
Filmink argued, "The film is fun but hampered by the fact Ann-Margret’s the only lead actor who can sing and dance, and it’s, well, a musical."[10]
