Tino is a painter and occasionally a singer. When he has an opportunity to replace an absent singer, he becomes a sucess as a masqued singer, "Le chanteur masqué". Lisa is a typist who becomes a successful singer, also as a masqued singer, "La chanteuse masquée". Tino the painter falls in love for Lisa the typist, not knowing about her "masqued" activities. On the stage they are rivals.
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