Women find their relationships threatened by their boyfriends' mothers. One mother helps her son buy lingerie to spice up his sex life, while another crashes her son's Valentine's Day date.

Matt wants to spend Valentine's Day with his mom, while Shekeb disinvites his mom to date night. Justina's first steps toward wedding planning are overtaken by her future mother-in-law, Annette.

Emily reacts to Shekeb ditching her to tend to his mother. Stephanie finds herself struggling to win Liz's acceptance. Jason shares bad news with his mom.

Jason's mom has an odd request for their wedding dance. Mike defends Stephanie to his mother. Kelly intrudes on a romantic dinner between Matt and Kim, and Emily finds herself in the hot seat at Laila's birthday party.

Laila ambushes Shekeb and Emily with an unwelcome surprise. At Justina's request, Jason asks his mother to butt out of wedding planning. A visit with the architect proves Matt's mom has shocking plans for their new house.

Steph makes an attempt to bond with Liz. Justina and her sisters fight off Annette's wedding dress demands. Emily gives Shekeb an ultimatum after being humiliated by Laila again.