Meredith throws Seth a birthday party and doesn't invite theShahs, leaving Heather and Whitney to believe something biggeris causing a rift between the two women. Jen and Sharrieff workon their marriage, while Mary questions Jennie's overreactionto her regifted shoes. The husbands surprise the women with aMother's Day trip to Zion, but once Jen learns Meredith hireda private investigator, she and Lisa come to blows when Lisarefuses to hold Meredith accountable.
