Summer and Iris are an extreme example of ‘mirror’ twins, to the extent that Iris’s heart is on the ‘wrong side of her body. Their personalities mirror each other as well with Summer being the ‘nice’ girl and Iris ..well maybe not so nice. We are introduced to their half siblings from their father’s three marriage. And finally we find out the details of their fathers will iwhich state that all of his millions go to the first sibling to marry and produce a child. Provision of their fathers will is that all of his millions go to the first sibling to marry and produce a child. There is a yacht, and a beach house and Summer has a perfect husband, although not yet a child…A highly contrived emergency means that Iris need to crew this yacht with the perfect husband while her sister looks after his child by his first wife… and it is all utterly univolving..How has the author even managed that!