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幸福结局
戴维（扎克瑞·奈顿 Zachary Knighton 饰）和艾利克斯（伊丽莎·库斯伯特 Elisha Cuthbert 饰）是一对人人羡慕的情侣，以两人为中心，双方的朋友们亦彼此成为了很好的朋友，每一年，戴维和艾利克斯都会组织很多有趣的活动，创造机会和朋友们聚在一起享受快乐。然而，让所有人都没有想到的是，他们竟然在快走步入婚姻殿堂之际分手了。 两人的分手给朋友们带来了一个非常难以解决的问题，那就是他们到底还要不要继续做朋友。其中，一部分人支持艾利克斯的果断离开，另一部分人却站在了戴维这一边，就这样，每一次的聚会，最终都会演变为关于“站队”的辩论和争吵。与此同时，戴维和艾利克斯的分手，给一直暗恋着戴维的潘妮（凯西·威尔逊 Casey Wilson 饰）带来了希望。
After Alex leaves her fiance, Dave, at the altar, they struggle to maintain relationships with their mutual friends.
Dave's fling begins turning into a relationship he doesn't want; Jane tries to help Alex find a roommate.
Jane thinks she and Brad should befriend a sophisticated couple; Max and Dave notice that things are disappearing from their apartment; Alex starts dating an artist.
Max's friends encourage him to tell his parents he is gay; Penny meets her perfect man.
When Brad's dad receives good news on some medical tests, his new view on life is difficult for Brad to accept; Penny meets an attractive Italian, but she can only speak to him when she's drunk.
Brad plays matchmaker to a co-worker; Penny regrets inviting Jane to her martial-arts class; Dave helps Alex with odd jobs, leading his friends to think he wants to get back together with her.
Dave shocks everyone by quitting his job and plans to open a restaurant; Jane and Max face off in silly challenges; Penny is exhausted by trying to keep up with her new boyfriend's friends.
Former couple Dave and Alex regret their couples tattoos; Jane feels Max is missing Mr. Right.
A big chain coffee store becomes Alex's competition; Dave runs into his high school teacher.
Alex's string of "girls' nights out" doesn't sit well with Penny; Max pushes Dave to get even.
A concert outing goes awry.
An old friend gets married, and the bride thinks Alex is a jinx; Penny and Derrick pretend to be engaged.
Alex and Jane's sibling rivalry heats up; Dave dates an attractive woman (Bre Blair) with an unusual quirk; Penny gets an assistant
