A capricious lady resigns herself to work as the host of a female radio program where she sings jingles and gives advice on cooking and gardening, putting aside her love of police novels, but she will find herself involved in a murder.
The love affair of an ex-convict with a showgirl, unleashes the jealousy of his older, wealthy and unbalanced wife. A murder plot, staged phoney suicide and other twists and turns follow.
To impress friends and family, Cristina pretends to be the fiancée of best-selling author Pablo Reyes. When Reyes shows up in town, he good-naturedly agrees to keep up the pretense.
A singer is trapped in France by the unforeseen outbreak of World War II and a man who serves the German occupiers demands, in exchange for safe conduct for herself and her daughter, to act as a spy and informer for members of the Resistance.