爱丽丝（达科塔·约翰逊 Dakota Johnson 饰）和男友之间的感情走到了尽头，为了给这段恋情寻找新的可能性，她决定暂时离开男友，离开家乡，前往纽约闯荡。罗宾（瑞贝尔·威尔森 Rebel Wilson 饰）的个性大大咧咧，白天，她是法律事务所里衣着得体的小助理，每当夜幕降临，她便会摇身一变，成为夜场里最闪亮的女王。 　　梅格（莱斯利·曼恩 Leslie Mann 饰）早已经看穿了婚姻的本质，是一名不婚主义者，可是，一个属于她的孩子对于梅格来说却有着致命的吸引力。露西（爱丽森·布里 Alison Brie 饰）的社交圈很小，因此她将脱单的期望寄托在了虚拟的社交网络中，结果却屡屡令她失望。There's a right way to be single, a wrong way to be single, and then...there's Alice. And Robin. Lucy. Meg. Tom. David. New York City is full of lonely hearts seeking the right match, be it a love connection, a hook-up, or something in the middle. And somewhere between the teasing texts and one-night stands, what these unmarrieds all have in common is the need to learn how to be single in a world filled with ever-evolving definitions of love. Sleeping around in the city that never sleeps was never so much fun.