Murder at Morley's Workshop

From publisher blurb: Set in a frontier town, nestled on a snowy plain, the Murder at Morley’s Workshop is a winter one shot adventure for 5e. Positioned at the edge of the village, next to an ancient woodland, Morley’s workshop is the focus of a grisly crime. A man driven by savage hatred murders his cousin. The resulting spilling of blood, combined with the man’s malice, calls forth a vicious Fey creature from the crimson pool. In turn this twisted magic then beacons a crazed animal from the dark wood beyond. The party of adventurers are called to the location as the town alarm goes up with the sighting of the giant bear at the workshop. It is prowling around the building and the large workshop door appears to be open...