Tatort: Cologne

Ballauf and Schenk investigate when an explosion kills a schoolteacher who was recently acquitted of sexual molestation charges.

Ballauf comes across a fleeing Filipino boy who may be connected to an international child-trafficking ring.

A banker's body is found in the woods near a pile of charred banknotes; a photo exhibit of Nazi atrocities creates tension.

A dead woman pulled out of the Rhine turns out to be an acquaintance of Ballauf's; law-enforcement agencies are tied to the investigation of a chemical company.

A mental patient with a history of violence is suspected in the murder of a dancer near a psychiatric hospital.