Marriage, sibling rivalry and other catastrophes.

Sibling drama overshadows the impending nuptials of Danni Sposato and her longtime boyfriend, Geoff Brancato. Television actress Niki brings her manager-boyfriend, Marty, to meet the family for the first time, while spiky youngest sister Toni shows off her bandmate and lover, Amy, and driven Wall Street banker Chrissy flashes the status symbols of her financial success.