"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, ... 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 best friend from her husband's seeming infidelity, but when she learns that the woman in the photo has gone missing, she can't help but fear that Scott was involved. As she searches for answers, she uncovers secrets about her friends and her own husband that could destroy the wonderful lives they have built"--