Apabila dua pegawai waran menyiasat pembunuhan anak jeneral, mereka mendapat tahu tentang serangan ganas beberapa tahun sebelum kematiannya serta penyembunyian maklumat.

A beautiful showgirl, name "the Canary" is a scheming nightclub singer. Blackmailing is her game and with that she ends up dead. But who killed "the Canary". All the suspects knew and were used by her and everyone had a motive to see her dead. The only witness to the crime has also been 'rubbed out'. Only one man, the keen, fascinating, debonair detective Philo Vance, would be able to figure out who is the killer.