The threat to the siblings grows ever greater and suddenly a guest from the past appears at Gustav's house. Nina is forced to work with Barry's shady business partners to keep the company afloat. But something goes wrong.

The children are put to safety and help comes from unexpected quarters. When the perpetrators show their true colors, everything is thrown out of whack and nothing is as it seems. It is no longer a question of an external threat. The danger seems to come from within.