During their engagement party, Clem and Nick are both shocked to learn that the other has been keeping an embarrassing secret about how they met.

When Clem and Nick run into Nick's ex-girlfriend at their hotel during a romantic weekend, Clem is upset to learn that Nick and his ex once lived together – in the same apartment they live in now. Also, Shannon's friend tries to persuade her to throw a big party while Clem and Nick are away.