"In the vein of The Wife Between Us and Something in the Water, a debut thriller about beautiful identical twin sisters sailing a luxury yacht and racing toward a one-hundred-million-dollar inheritance"-- Cynical and insecure, Iris has long been envious of her twin sister Summer's seemingly never-ending good fortune... including her perfect husband Adam. Called to Thailand to help her sister sail the family yacht to the Seychelles, Iris unexpectedly...