Two Angolas, colonial and current, 60 years apart, share the curse of a mysterious island. In the past the epicenter of the tragedy is a sinister fortress, the tomb of revolutionaries deported from the continent. At present the construction of a resort awakens the relentless jaw of justice. Shortly afterwards, corpses of disused workers began to appear. The horror sprawls at a glance. Pedro Mbala is sent to the island to solve the problem. His target is a pack of stray dogs.