Dirk Bergmann eagerly volunteers, so as to seek Marie again, to help Anton Stadler, whose partner is out of state, investigate the fatal knife-stabbing of T specialist Peter Ritter. He seemed to have an affair with Karin Brandl, wife of Ritter's former firm-founding partner Wolfgang, who may have found out. Sister in-law Gesine Brandl also fails to hide her part in the affair, which is proven IT-wise to entail blackmail.
—KGF Vissers