Set it on a future Federation colony that is very Earthlike in appearance, where Starfleet has to provide the muscle to protect colonists vs a terrifying alien species that goes largely unseen.
Not hugely original to say the least, but the best way to attract the largest audience - horror fans, action fans, not just Trekkies - while keeping costs down. And Star Trek
was based on Forbidden Planet
once upon a time, right? Time to really get back to roots!