Kathryn and John discover Bay sneaking around with Ty and as punishment they invite him over to an awkward family dinner. Before the dinner, Kathryn tries to talk to Bay about sex. Meanwhile, Regina goes on a date with Bruce despite Kathryn's warning about him being a player.
Toby enlists Daphne and Emmett's to help at Wilke's poker game because of their ability to read people. At the poker game, things are going very well for Toby! In fact, he wants Emmett and Daphne to stay awhile longer. Daphne told Bay she would be at the dinner with their families and Ty, so she's hesitant to stay, but Toby talks her into it. Emmett, however, is tired of helping Toby win unfairly, so he leaves. During the final hand, Daphne misreads Wilke and Toby loses – big time. He is furious with Daphne.
Meanwhile, back at the Kennish residence, Bay is stuck at dinner with her mom, dad and Ty. Dinner takes a bad turn when Ty reveals that he's enlisted in the army -- and is leaving next week. Bay had no idea! After much thought, and considering the fact that he's leaving, Bay decides she doesn't want to have sex with Ty. But it still breaks her heart to say goodbye to Ty.
And Bay and Daphne realize Toby lost a lot more money playing poker than they thought.