Oscar and Felix receive an invitation to the wedding of their college friend. Oscar remembers wanting to hook up with the bride's sister, Olivia, back in college. Felix realizes that his ex-wife Ashley will be at the wedding and starts to panic. At Dani's suggestion, Felix brings Emily as his date to show Ashley he's moved on. During the reception, Ashley shows signs that she still cares about Felix and he misinterprets them, thinking she isn't over him. Oscar meets Olivia and she surprisingly says she had always hoped to hook up with him in college, too. Moments later, Felix announces that Emily is Oscar's fiancee, to show Ashley he's still available. Later, Olivia becomes convinced that Oscar and Felix are a gay couple.