Complex sentence: It continues with the masked serial killer Michael Myers continuing his murderous rampage in his hometown of Haddonfield, but this time, in his old childhood home, now derelict, which is being used for a live internet horror show.
Split into simpler sentences: It continues with the masked serial killer Michael Myers continuing his murderous rampage in his hometown of Haddonfield. Yet, this time, the killer's his old, derelict childhood home is being used for a live internet horror show.