Galicia. Land of Legends. The Envoys arrive at Porto da Lua to investigate an alleged miracle. But they find a divided town where nobody wants them to succeed in their mission.

After finding Joaquin Bustamante's body, Salinas has a vision and understands that this town is hiding secrets to dangerous that they don't only endanger their mission: They endanger their lives.

Nuno is now the main suspect in Bustamante's murder. His life is in danger. At night, during the town's festivities, the Envoys are the only ones who can save him. If they arrive in time.

With the mayor as the main suspect in Joaquin's murder, only the Envoys stand in the Brotherhood's path. But doubts and fears begin to affect them.

Pilar is cleared of suspicion, the Brotherhood believe Nuno to be the culprit. First, they must stop Pilar from taking over the fishing industry. Alba is honest with her daughter. A bad idea.

The public learns who Xiana's true father is. Bernat's rage threatens the town. Meanwhile, the Envoys understand that the cause of everything is in a past they ignore. Nuno is the key.

The night that the three Nuns lost their sight is the key. To find out what happened, those who are silent must speak: the three Sisters, the girl who saw the attack against Nuno and Cañola.