The tooth fairy asks for help to eliminate the competition of the mouse Pérez. Strange voices lead Xènia and Marc to investigate a forest and get to know each other better. Minister Molló has a plan to end the department.

Genís leaves the Ministry of Culture and Dolça is very upset. La Pesanta puts the integrity of the president of the Generalitat at risk. Marc wants to take advantage of the arrival of an immersive tadpole to reconcile with Xènia.