People had been going missing in their homes while Grimm were found in their homes with no blood being found either. You had been sent to investigate these cases.  Each home had no clues at to what happened in them. Though rumors started to spread saying that something was turning people into Grimm. When you get home for the night you find a strange object on the ground. What will you do?

(You can decide what the object is)

(This is the introduction of an oc in a new timeline)