Fang Cheng, a lawyer; Liu Ye, a PhD; Duanmu Hui, a doctor; and Jiang Xiaobai, a radio host. These four career-minded women have long been regular guests at weddings. With their thirtieth birthdays approaching, they solemnly promise to find someone and settle down. Fang Cheng runs into Lan Zhen at a bar, only for her to leave without a word and suddenly reappear as a party in a divorce case. Is Liu Ye's romance with her student love, or a father complex? Duanmu Hui cannot break free from the memories of a car accident three years ago, having bound herself to them. Beneath Jiang Xiaobai's carefree, flirtatious exterior lies a heart desperate to get married... Amid the tangled, hectic life of the city and a complicated web of love affairs, where will they end up?