>>13803418
I only saw the first episode, but the plot was literally that Archie witnessed the murder of Cheryl Blossom's brother who she seemed to be having an incestuous relationship with, but Archie couldn't tell anybody because he was getting molested by Ms. Grundy at the time, and she told him he'd get in trouble if he told anybody. This plot was not resolved by the end of the episode, so I'm left to think it is actually the arc of the first season.
It was seriously the most fucked up thing I've ever watched. I mean Smallville had an episode where Clark's teacher had pheromone powers and tried to molest him, then turned murderous when her powers didn't work on him and he escaped, but at least she was portrayed as a villain, and it was only a single episode.