3

The film follows Jan, a teacher who becomes romantically involved with Tone, a divorced teacher. Jan's wife, Ingrid, agrees to let Tone move in with them, leading to a complicated living arrangement where both women share Jan's affections. As tensions rise, Jan and Ingrid eventually divorce, while Tone and Ingrid form a bond of their own.

3 presents a thought-provoking exploration of love, fidelity, and emotional connections. It delves into the intricacies of human relationships and the decisions that shape them. This film's portrayal of unconventional relationships makes it a notable entry in the drama genre of the early 1970s.