Four friends spend the eve of the Chinese New Year within the borders of a splendid Beijing courtyard house but all does not go smoothly. Earlier the same day, Niuniu has discovered both her husband’s absence and a love email addressed to him, clearly written by somebody she knows very well. Determined to spend the festivities in good company as well as to unveil this double betrayal, Niuniu gathers her three best friends, Lala, Qinqin and Madame Ye. As the evening progresses through customary Spring Festival activities, Niuniu’s vindictive plan unfolds as she follows the lines of a conversation that leads the protagonists to disclose the secrets of their hearts.