Rosina is frustrated by her engagement to millionaire John Johnson III, a fussy, domineering, control freak. The night before her wedding, she goes out dancing with her maid María, María's husband Tomás, and their friend Gordillo. When Rosina learns Gordillo is a sailor on the yacht owned by Mexican film star José María Beltrán, she decides to stow away and sail to Mexico to be with her grandmother.