Because "Tante Zita" main theme is death: a twenty-year old girl, Annie (Shimkus) lives with her mother and her aunt (both played by first-class actresses Suzanne Flon and Katina Paxinou). The auntie is dying, and for the first time in her life, Annie has to cope with death. One night, she finds it too hard to bear, and leaving home where the old woman is suffering, she begins to hang around in Paris. She will meet people, and, from dusk to dawn, she will learn to leave her childhood behind and to grow into a woman.

The film consists of three novels. The film begins with the fact that the Bernard Blier hero removes a lantern from the entrance to a brothel. The second part is about how the lantern and jewelery were stolen from a young baroness. And in the third part the hero of Louis de Funes hangs a lantern at the entrance to his house.