The play was published in 1978 by Belgian author René Kalinsky, based on Pier Paulo Pasoloni’s 1968 film Teorema (aka Theorem).

Plot of the film (courtesy of IMDb) - A strange visitor in a wealthy family. He seduces the maid, the son, the mother, the daughter and finally the father before leaving a few days after. After he's gone, none of them can continue living as they did. Who was that visitor ? Could he be God ?

This school production, directed by Albert-André L'heureux ran for 6 performances at the National Monument to 1,950 spectators.

Marie Charlebois is the other student in the 3rd picture.