In "#RulesOfEngagement," Sutton and Kevin are having an engagement party and introducing Carly to Kevin's parents. In addition to meeting Kevin's family, Carly is also nervous because Suzy's family will be in town for the party, and there is still awkwardness from the divorce. Ben and Ayton continue working on their t-shirt business, and Ben thinks Sutton's engagement party could be a good place to find investors. Meanwhile, Sutton's engagement party and bridal shower make Danielle examine her relationship with Ben.