A perfect family online—until a six-year-old climbed into his father’s chair and made one call that saved his baby sister and exposed the truth behind it all

and that good children never shared family secrets. The cameras in the house were always turned off before the worst moments, because Serena insisted privacy was important, though Oliver had learned that privacy often meant no one was allowed to see.

His sister, Grace, was four months old. Earlier, she had been crying—a thin, tired sound that made continue reading …