I thought I was about to expose my daughter-in-law. Instead, I uncovered my husband’s secret.

PART 1

“If that woman is cheating on my son, I will kick her out of her own house today,” Margaret muttered quietly as she inserted a key into the lock that nobody knew she had.

It was a little after four in the afternoon in a modern building in the Northwood district of Minneapolis. The hallway was completely empty, and Margaret had chosen this specific time because she knew her son, Samuel, was still working at his engineering firm until after seven while her daughter-in-law, Chloe, usually taught yoga and pilates classes every afternoon.