In pre-revolution Cuba, Katey Miller is about to defy everyone's expectations. Instead of a parent-approved suitor, Katey is drawn to the sexy waiter, Javier, who spends his nights dancing in Havana's nightclubs. As she secretly learns to dance with Javier, she learns the meanings of love, sensuality and independence.

The story of Esther Williams is that of an improbable encounter. That of the glamorous Hollywood of the 1940s with a swimming champion. A meeting that gave birth to the most kitsch and flamboyant genre films in Technicolor: the Aqua-musicals! A dive into the troubled waters of post-war Hollywood, where only her qualities as an athlete allow an extraordinary actress to fight to emancipate herself and avoid the traps of the predators who lurk around her