One Step to Eternity (French:Bonnes à tuer, Italian:Quattro donne nella notte) is a 1954 French-Italian thriller film directed by Henri Decoin and starring Danielle Darrieux, Michel Auclair and Corinne Calvet.

[1] It was shot at the Boulogne Studios in Paris.

The film's sets were designed by the art director Jean d'Eaubonne.

A French newspaper editor invites his wife, ex-wife, mistress and intended fiancée to his apartment, planning to murder one of them.

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