在一场热闹的派对上,瓦莱丝(丹尼尔·雷德克里夫 Daniel Radcliffe 饰)和钱特利(佐伊·卡赞 Zoe Kazan 饰)相遇了,四目相交的电光火石之间,两颗心都沦陷了。然而,此时的钱特利已经有了稳定交往的男友阿兰(亚当·德赖弗 Adam Driver 饰),无法割舍这段感情的钱特利和瓦莱丝达成了共识,两人只能做朋友。 然而,人的感情哪是这样轻易可以控制的呢?虽然约法三章,但在相处的过程里,这对有情人还是无法抗拒彼此的吸引力而距离越来越近。某日,钱特利告诉瓦莱丝自己要去台湾工作了,面对即将分道扬镳的命中真女,瓦莱丝会做出怎样的选择呢?Wallace, who is burned out from a string of failed relationships, forms an instant bond with Chantry, who lives with her longtime boyfriend. Together, they puzzle out what it means if your best friend is also the love of your life.