Plot: Bridget says she’s not sure what to believe about the relationship between her 38-year-old brother-in-law, Kevin, and 16-year-old daughter, Grace. She says red flags were raised that their bonding may have crossed the line when Grace told her that Kevin put whipped cream on his neck and asked her to lick it off — which Kevin claims not to remember — and when she read the contents of a letter written from Kevin to Grace