After Niles and Daphne run out on her wedding, they return to do the honorable thing and face their jilted lovers. Donnie and Mel each seek some sort of revenge: Donnie sues Daphne, and then threatens to sue Frasier as well for his part in the affair; Mel promises Niles his divorce, but only after he agrees to put in some public appearances with her as newlyweds.