The TV series "The Lost Boys" is an adaptation of the eponymous feature film. Widow Lucy Emerson decides to return to the city where she was born with her two sons after the death of her husband. San Francisco is a tempting, sparkling metropolis filled with temptations and nightlife. But it turns out that it has a hidden side - an underground city where real vampires live alongside humans. Teenagers Sam and Michael Emerson are fascinated by these frightening yet attractive creatures.