American sailor Dean Barry, 23 years old, lands in Naples in 1944. Dean develops feelings for native Lucia, with whom he has a son. Dean is compelled to leave them but finally returns to see his family again, in an changed city.
After the death of their friend, a group of eccentric young adults are whisked away to a villa on the outskirts of London, but a mysterious entity seems to have followed them to their luxurious getaway.