The episode I recall opens at this lady's cabin/house by a lake. She is in the water with a guy. A bunch of fog starts in the water. Having sex with men kills them. She thinks maybe this time is different, but it isn't. I think she kind of tried to talk to him about it in a way. Then she is just bitter and doesn't care. Maybe her mom tries to talk to her about it.
She was wearing red. White chick with dark hair.
'90s/'00s sci-fi anthology aired on Saturdays at about 3pm. First half hour was the week's new episode, the second half hour was the previous week's episode.
I thought it was the same show as an episode of Beyond Reality, but doesn't look like it.
I watched it in the American North East. More likely in the 90s. It must have been on cable. I can't recall if there was a host type setup.