Alright, so the whole thing with that 'scandalous' novel, huh? The ending really comes out of left field. For the last hundred pages, you're led to believe the protagonist's whole cover-up is about to succeed, that they'll get away with the affair and the embezzlement and just ride off into a quiet, guilt-ridden sunset. But then the final chapter switches to the perspective of the maid, the one character everyone overlooked. She's been quietly photocopying receipts and keeping a diary the whole time. She doesn't even expose them publicly; she just mails the whole packet to the protagonist's estranged adult daughter. The last scene is the protagonist sitting at their perfect breakfast table, hearing the mail slot clatter, and seeing that familiar handwriting on an envelope. No dramatic confrontation, just the cold dread of knowing the one person whose opinion they secretly feared now knows everything. It's a quieter, more psychological ruin than I expected, and it makes you rethink every interaction the maid had earlier in the book.
I think the biggest twist isn't in the plot mechanics, though. It's that the author reveals the initial scandal—the one that kicks off the whole plot—was partially staged by a third party as a business sabotage move. You spend the whole novel thinking it's a personal moral failure, but the final reveal reframes it as the character being a pawn in a larger, more cynical game. They were corrupt, sure, but they were also exploited. It doesn't excuse them, but it adds this sickly layer of pity to the disgust you've been feeling. Makes the ending feel less like simple comeuppance and more like a tragedy where everyone loses.