KathyismarriedtoPeter.Nowshecan'thelpbutwonderhowthingscouldhavebeenifshegottogetherwithheroldboyfriend,Tom.Beingmarriedpreventsfromdoingthatsosheasksherfriend,EmilytogotohimandseeifshecansleepwithhimthentellKathyhowitwas.WhenEmilytellsKathythatthingswereawesome,theirfriendshipsuffers,atthesamesodoesKathy'smarriage.ThingsgetevenmorecomplicatedwhenEmilylearnsshe'spregnant,andshe'snotcertainifit'sTom'sorherboyfriend,Elliot.