Macho e Fêmea(1974)

Macho e Fêmea is a Brazilian comedy that follows Juliano, a wealthy but restless millionaire who partners with the eccentric Professor Kunz to test a revolutionary potion. The drug unleashes the opposite side of the user's personality, and when Juliano drinks it, he transforms into the glamorous Juliana. What begins as an experiment spirals into chaos as the transformation triggers a cascade of misunderstandings and complications between the millionaire and the mad scientist. The film plays with themes of identity and duality as both men struggle to control the potion's unpredictable effects, leading to increasingly absurd situations. Vera Fischer stars as the transformed Juliana in this lighthearted exploration of personality and desire.