The murder of an important politician leads the police to investigate a traditional family. But they already have its share of unsolved crimes, starting with the unclear death of an English officer in the family estate, in 1870. Can all these crimes be intertwined?

Pedro, Teresa, Luísa, Chico and João form a fearless group that is not complete without Faial, the German shepherd of João. Together they are prepared to face the worst, experiencing the most incredible adventures.