Love for Three (1958)
When a woman discovers her husband's infidelity, she decides to get divorced. But he still loves her, and learning that another guy has fallen for her, decides to change places with him. He would be the lover.
When a woman discovers her husband's infidelity, she decides to get divorced. But he still loves her, and learning that another guy has fallen for her, decides to change places with him. He would be the lover.