Antibodies (2005) on Netflix

Plot summary

Gabriel Engel, a serial killer who admitted to killing thirteen boys and painting religious works with their blood, is captured in Berlin, and Commissioner Seiler is assigned to question him. In the village of Herzbach, the unsolved murder of twelve-year-old Lucia is attributed to Engel. Michael Martens, the village police officer, travels to Berlin to question Engel himself, and the Berlin investigators assume there are parallels between the killings. Engel, who has stopped giving them information, agrees to talk with Martens, but demands a psychological evaluation of the man questioning him. During the case Martens neglected his wife and children.