The partial title you're looking for is , which is the 8th episode of Season 5 of the TV series Grimm .
: Logan demands 50% of the shop's profits as payment for his "services" and threatens to kill the brothers if they don't comply. Wayne Dunbar, the more ruthless brother, attempts to manipulate Logan into killing Oliver. Grimm - A Reptile Dy...
The story follows a "Lake Monster" legend at Diamond Lake that appears to come back to life after a tourist's mysterious death. The partial title you're looking for is ,
: The owners of a local boat rental shop, brothers Wayne and Oliver Dunbar, are secretly paying Logan, a Wasser Zahne (an aquatic Wesen), to scare tourists into thinking a lake monster exists to boost their business. The story follows a "Lake Monster" legend at
: Things turn deadly when Logan actually starts killing people, including a local business owner and a teenager, rather than just scaring them.