4 ideas
A Montréal woman begins noticing small discrepancies between her memories and her surroundings, including history, place details, and facts that everyone else treats as settled. Instead of being mad, she learns her reality is one branch among many, and that she and others have been involuntary crossers between adjacent versions of Québec. The novel follows her from private doubt to accepting that the world she called home was never the only one.
When a person's memory conflicts with a world that everyone else agrees on, the usual reading is that the individual is wrong. This lens reverses the default: a private mismatch can be the only surviving trace of a displacement that the consensus cannot see. The social pressure to treat the discrepancy as personal error is what keeps the displacement hidden.
Move a person into a world that differs only slightly in history, relationships, and political outcomes, and much of what they took as their fixed self shows up as a product of those circumstances. The crossing tests which parts of identity travel with the person and which were supplied by the surrounding world. Displacement becomes a way of finding out what remains when context is removed.
Setting a Québec story across parallel realities treats the province's political fate, including conquest, union, and independence, as one outcome among several that could have happened. A collective identity that feels inevitable is recast as one branch that was selected. This lets a minority culture look at its own history as contingent, and so as something that might have gone, or might still go, differently.