The monster, which looks like a nastier version of The Creature from the Black Lagoon, invades a sleepy lighthouse town. The superstitious lighthouse keeper is worried for the safety of his beautiful teenage daughter, so he leaves food for the monster, who dwells in a nearby cave. When bodies wash up ashore, the locals take notice.
A village in Ukraine, near the Russian border. The only thing that slightly disturbs the peace there is the occasional death of an elderly person. That is also why Anatoly returns there: to take care of his dying mother.