This Spanish romantic comedy focuses on ad-agency career girl Lucia and her best friend, dance-teacher Maria. Maria's boyfriend is the sexist Pablo. One night Lucia puts away too much alcohol, sleeps with Pablo, and hatches a plan to have Pablo to herself by finding a new man for Maria.
The brain of a male engineer is transplanted into a female’s body. He soon finds it very frustrating to cope with the daily sexist discrimination most women deal with. For example, he is surprised when no one will hire a female engineer. When he is faced with dealing with female sexuality, he quickly begins exhibiting lesbian tendencies.