He refused to hide in a basement. Instead, he lived "in plain sight," assuming a false identity to enjoy Berlin's nightlife.
Every member of the family is "forging" their identity—the mother is an assassin, and the daughter is a telepath—yet they accidentally find real emotional connection. The Forger image
To pay back the crime syndicate that freed him, he must forge a Monet painting ( Woman with a Parasol ), steal the original from a museum, and replace it with his replica. He refused to hide in a basement