Achilles sacrificial stone

For many hundreds of years, people went around these places. A nightmare cave under the mountain, where a gloomy idol lurked ... He was made human sacrifices. The sullen island on the lake nearby nearby, in winter and in the summer shrouded in fog ... whoever enters it disappears without a trace. According to legend, the island of witches and witches are inhabited, they steal people, make their slaves, and the girls are fed to giant catfish, who has been living in the lake for centuries ... and a group of students of Moscow State University came to these lands. Neither the witches nor the idols of this brethren are terrible - until Jeanne was brutally killed, the most beautiful of them ... And then the excellent student Julia got down to business. First you need to find out how the legend and death of Jeanne are interconnected - since such murders have already been committed in these parts