Mary believes that her husband George is having an affair, she decides to change her appearance, and sets about dealing with the problem.
Sheila Gish appeared in some great episodes, one of my all time favourite performers to reappear in the show, for my money this is one of her best performances, she is so full of anger and hatred, she is incredible, what a shame she was taken from us so young. The young Phoebe Nichols is outstanding also, so often cast as the villain it's nice to see her in a more delicate role, a mega talented underrated actress.
This has some genuinely harrowing moments, not just the dramatic mind blowing twist at the end, but the moment where Mary is rubbing suntan lotion into Carol and discussing the accidents that had occurred at that beach.
One of the most memorable, and for my money one of the very best episodes, they don't come much better then this one. You are left guessing who, what and why until the very last. Brilliantly written episode.
9/10.