What a fun read! It feels like the opening of a planetary romance (aka sword & planet) story and also reminiscent of the Star Trek: Voyager episode Emanations. The spider was a nice touch.
Thanks a lot! Sword & Planet is one of my favourite genres, and one of the options I wanted to present. I wanted to leave the module as setting-agnostic as possible, so it's up to everyone how they decide to play it.
