Un asunto privado: Temporada 1, Episódio 4

1 - 4: Baile de máscaras

After detaining the killer it seems that Marina will be forced to give up her dream of becoming a cop, but thanks to Castaño the case is reopened. Together they conclude that the killer is still on the loose and the cops propose a plan to catch him: host a masked party for the clients of the House of Water.