When a string of wealthy men are found strangled in the Thames, Scotland Yard tasks Inspector Perkins (Horst Tappert) and his sidekick Sgt. Pepper (Uwe Friedrichsen) with solving the whole magilla--as the trail leads to a suspect charitable organization and an assassin in an ape suit. Pulpy take on Edgar Wallace's "Dark Eyes of London" also stars Uschi Glas, Hubert von Meyerinck, Albert Lieven, Herbert Fux. 90 min. Standard; Soundtrack: English. Dubbed in English.