Sounds like an exciting web-series, Nina Jackson.

What you have for a logline is more of a short synopsis. For a logline, you want something like: "After ______ (something happens/the inciting incident), a _______ (the protagonist with an adjective) tries to _______ (goal of story) so ________ (stakes)."

Loglines are one or two sentences. You can add the antagonist in the logline. The inciting incident can also be at the end of the logline.

Example #1:

"After a group of dog criminals arrives in a small town, an impulsive dog sheriff defends a dog treat factory so they won't steal food that's meant for hungry dog families."

Example #2:

"A dysfunctional couple works together to survive against bears after they crash on an abandoned road miles from help."

NOTE: Not all stories will follow this logline template. Biopics, TV shows (the overall logline for a show might not follow this template, but the logline for an episode in the show could), and documentaries might not follow this template.

Based on this logline template, your logline would be something like: "After ___________ (the inciting incident/the event that sets the plot in motion), a young professional from Miami tries to save normal people from demonic attacks and witchcraft ___________ (something to spice up the logline and make it stand out from any similar web-series)."

I don't know a lot about your series, so "tries to save normal people" might not be the right story goal.

Also, your logline is listed as "Drama." Maybe add "Fantasy" as a genre.