Six femmes pour l'assassin

When model Isabella is murdered by a masked killer, the models of the fashion house managed by Countess Christina Como and her lover Max Morlan are shaken with the crime. Another model, Nicole, finds Isabella's diary, and late one night she borrows the car of her friend Peggy Peyton and heads to the shop of her boyfriend Frank Sacalo to meet him. However, the masked killer follows Nicole and kills her, expecting to find the journal. But Peggy had stolen the diary to destroy pages that compromise her, and she is also murdered by the killer. Meanwhile, Inspector Sylvester has a list of suspects that includes Frank, who blackmails Marquis Richard Morell to give the necessary alibi to him. Who is the killer and why is the diary so important to him?