In an elegant country mansion, a loving but somewhat carefree couple, portrayed by Cary Grant and Deborah Kerr, faces the routine of their comfortable life. However, boredom begins to lurk around them, and the spark of passion starts to fade. When a young yet charismatic millionaire arrives at their door, the balance of their relationship is shaken like a tree in a storm.
With the arrival of this new tenant, played by Robert Mitchum, a game of seduction and jealousy is unleashed that will test the foundations of their marriage. The couple, drawn to the idea of a more exciting and less conventional life, begins to question whether the grass is really greener on the other side. As the situation becomes more entangled, comedy unfolds through misunderstandings and unexpected twists, in a classic style of romantic entanglements.
The characters are forced to confront not only their desires but also their mistakes and expectations in an era where marriage and relationships are subjected to scrutiny. With a witty script and sharp dialogue, the film showcases its humor through absurd situations that make viewers laugh and reflect on love and fidelity. In this storyline, love takes many forms, and perhaps the grass is never as green as it seems. Ultimately, it comes down to learning to appreciate what one truly has.