This is the last film that Bergman and Rossellini did together. Their marriage was on the rocks and perhaps this was like a throwaway movie because that's what I feel after watching this. The plot does no have subplot, depth or whatever. It's clear cut plot about a woman being blackmailed by the lover's wife, and she is being paranoid about it trying to hide it from her husband. And little did she know that...(I won't spoil it for you).
But there is all about. Bergman was great as usual but that's the only good thing. I felt like the director falling asleep all the while directing this. And the ending was a bit rushed. I only recommend this for Bergman fans only (I know there are lots and lots of them out there) who wants to experience this whole Bergmania.