The Cinco De Mayo festivities intensify as the tension between the ladies boils over. Mary and Meredith cling together as the rest of the women hound Meredith for the date of her father's memorial and struggle to understand Meredith's unwavering support for Mary. Once back in Salt Lake City, the women try to make sense of all chaos left behind in Zion. Jen visits Mary’s church to see if the rumors are true, Lisa seeks advice from John and Meredith offers an olive branch to Heather and Whitney.