Longtime couples, with help from a master relationship coach, embark on the ultimate relationship test. From week to week the couples are pushed outside their comfort zones to confront the question they've been too afraid to ask: is this their happily ever after? The couples will finally find out by dating other people. And in so doing, they'll discover if there's a connection they've been missing all along. Will they decide it’s time to go their separate ways, or is it finally time to put a ring on it?

A broker with a hidden agenda plots to steal a scientist's research, yet a mutual attraction develops between them.