Vanessa experiences life as a Snowden; the McGees tell their sons they want to seek a sister wife; the Winders go out in public as a trio for the first time; the Alldredges wonder if their potential sister wife, Jennifer, will show up on their date.

Surprises are in store when Jeff tells his wives about Jennifer's abrupt exit; Dimitri decides to introduce Vanessa to Ashley's mother without telling her; the McGees video chat with a potential sister wife; Sophie Winder's family visits.