Fedeltà tells a story of marital fidelity, in particular the one of Carlo and Margherita, a young couple who needs to face the deflagrant consequences of an alleged betrayal. Their relationship becomes a symbol of fidelity, not only as a couple, but also in the personal choices made every day.
E1
Realtor Margherita falls in love with an apartment she is supposed to be selling. Her husband, Carlo, meets with a nervous student about an assignment.
E2
Margherita has a difficult time believing Carlo's version of what transpired between him and Sofía in the bathroom.
E3
An overwhelmed Sofía decides to leave Milan. Tensions rise between Carlo and Margherita as their arguments reach a turning point.
E4
Carlo and Margherita continue to keep secrets from each other as their lies escalate. Sofía and her fellow students attend an event at the university.
E5
Margherita decides to follow her gut, while Carlo does the same and their respective desires threaten to lead them on different paths.
E6
Carlo and Margherita are each enjoying success in their new careers when a chance encounter leaves them wondering about their future.