Der Solist – Kein Weg zurück (1999)

In Hamburg, a suspicious crash and mafia-style killings hinge on witness Maja Stein, who demands protection. Detectives Lanart and Marquardt hide her in a safehouse, but corrupt cops ambush them. Lanart saves Maja as Marquardt is killed. Discovering Maja is a decoy, Lanart becomes a lone target.