When a fainthearted ex-soccer player learns his brother-in-law is a vampire with world domination plans, he must gather his courage and save the day.

Carlinhos catches his partner cheating, then meets lively Graça, who poses as his new one so he can save face at Christmas with his traditional family.

Conned by the same playboy, three women and their families go to his mansion to get answers — and must stay for an investigation when he’s found dead.