In a lively and comedic Rio de Janeiro, a talented swimsuit designer named Eve Barrett runs into a dizzying mix-up when her sister Betty becomes enamored with a dashing South American polo player named Jose O'Rourke. Betty believes this mysterious stranger to be the famous polo star, sparking a journey of mistaken identities and romantic pursuits. Eve is determined to protect her sister from potential heartbreak, so she takes it upon herself to uncover the truth about who Jose really is. Meanwhile, chaos ensues as a clumsy masseur named Jack Spratt is unwittingly roped into the confusion when he's mistaken for the real polo player.

As Eve navigates this tangled web, she finds herself drawn closer to Jose, even as she tries to keep her sister's heart safe. In the meantime, Jack, completely out of his element, fumbles through various predicaments in his attempt to maintain the charade of being a high-profile athlete. Against the backdrop of vibrant music and joyous festivities, Eve and Jose's mutual attraction grows, leading them to reconsider their understanding of love, identity, and each other. Meanwhile, the ever-spiraling misadventures of Betty and Jack add layers of humor and charm to the unfolding tale. The characters explore themes of trust, deception, and romance in a delightful tapestry of laughter and heartfelt moments.