The sequel, which was also filmed by Robert in 1990, is My Mother's Castle (Le Château de ma mère).

Marcel's maternal aunt Rose marries the rotund, jovial, and pious Roman Catholic Uncle Jules.

Over the summer, both men take their respective families to share a house in Provence in southern France.

Waking, he follows them stealthily and is angered by Jules humiliating Joseph by demonstrating the difference in their hunting prowess.

As the holiday comes to an end, Marcel plans with Lili to hide himself in a cave and live as a hermit.

As he gets ready to leave the house for a last time, his parents make a remark which indicates that they in fact did read the letter.