The couple in the photo

"Lucy and her husband, Adam, have been best friends with another couple, Cora and Scott, for years. The four are practically family at this point--they vacation together, co-own a beach cottage, and their young children are inseparable. So Lucy is devastated when, while looking at a colleague's photos of a trip to the Maldives, she spots a picture of Scott, apparently on a luxurious holiday with another woman. Lucy is determined to protect her be...