A trip to Oklahoma causes Vicki massive emotional stress as she helps her daughter Briana look for a house. Back in Orange County, Heather and Shannon try to make sense of the massive rift in their friendship, leaving Lizzie caught in the crossfire of accusations and hearsay. Later, Tamra is shocked as she discovers that her son Ryan is possibly endangering his health by taking a potentially harmful medication without a prescription.

Tamra reveals her real reason for being upset with Heather. Meanwhile, Briana and Ryan surprise Vicki with the gender of their baby and later, Shannon turns to Tamra for support when her husband, David, sends her a shocking e-mail about their relationship.