4. The Involuntary Forger / The Martinis Don't Give Up

Bianca's relationship with her mother deteriorates under the chagrined eyes of Inge, who is truly devoted to her grandmother. Meanwhile, Marco lies to Maria about his new assignment. As if they weren't already in enough trouble, the Martinis have to renovate the roof of their house. It's not exactly the right time financially, and the family is truly worried.