Mia is approached by a whistleblower and focuses her energy on finding out the truth about Energreen. Sander and Mr. Christensen worry that Mia's findings can jeopardise their listing on the stock exchange, and they plan to stop her with Claudia's help. Mads and Alf follow one of Mia's leads to Energreen's research facility in Poland. Mads is glad to get away from his chaotic home life.