罗斯（大卫·休默 David Schwimmer 饰）和瑞秋（詹妮弗·安妮斯顿 Jennifer Aniston 饰）发现酒醉结婚后，决定到法院取消，但罗斯担心自己离婚过于频繁而没有取消并对瑞秋撒了谎。瑞秋发现后争论了起来，最后导致离婚。罗斯在纽约大学找到了一份教古生物学的工作。钱德勒马修·派瑞 Matthew Perry 饰）搬到摩妮卡（柯特妮·考克斯 Courteney Cox 饰）的住处，决定暂时不结婚，而是先同居。瑞秋跟菲比（莉莎·库卓 Lisa Kudrow 饰）同住，但一场起火事件又搬到了摩妮卡的住处。菲比以为自己引起了火灾，转而在条件较差的乔伊那里住了下来。后来发现火灾原来是由于瑞秋的直发器引起的，所以两人调换了住处。由换房法律一系列啼笑皆非的故事。而最终，钱德勒终于决定向摩妮卡求婚。Ross and Rachel wake up in bed together not remembering anything from the night before. Joey's movie is officially canceled. Chandler tells Joey that he almost got married to Monica but now realizes that they are moving too fast but does not know how to tell Monica. Monica talks to Phoebe as she feels the same but does not know how to tell Chandler. Ross and Rachel find out that they got married. They hope that the marriage can be annulled. Phoebe and Joey drive back to New York in Phoebe's cab. Ross decides not to annul the marriage because he doesn't want to be the guy who has 3 failed marriages. He thinks staying married to each other won't affect their lives. Rachel wants the annulment so Ross agrees. Chandler and Monica both pretend that they wanted to get married but they need a sign to do so. There are several signs but they just ignore them so they finally decide not get married yet but to move in together. Ross tells Rachel he got the annulment even though he didn't.