A fashionista who acts as a narrative catalyst by begging Barnard to contact Ashley for drugs, leading to a chaotic party that isolates the other characters.
Madeleine knows Barnard socially and approaches him to facilitate drug procurement for her party.
Madeleine pairs off with wealthy tech executive Boccaccio at the party, forming a temporary romantic connection.
Madeleine manipulates Ashley's cocaine addiction to secure drugs, creating a toxic dynamic between them.