The piece tells the story of Hosanna — a.k.a. transvestite Claude Lemieux. According to Stratford notes, "Returning in tears from a Halloween party, Hosanna bickers with her partner, Cuirette, as the two prepare for bed. As the mystery of what has so upset her is gradually revealed, Hosanna must confront her illusions and insecurities and ask herself the question of who she really is."
Here's a look at the production: