Plot synopsis: In Transylvania, the home of Count Dracula, eerie crows and bats are enough to give anyone goosebumps. The documentary series also investigates a string of mysterious deaths in the Gévaudan region of France. Meanwhile, in the swamps of the southern United States, enigmatic monsters and haunting spirits are said to be wreaking havoc. And, of course, no such journey would be complete without a visit to Loch Ness.