不擅與人相處的男子小郭，在幾次不愉快的工作經驗之後，決定選擇較適合自己個性的工作，儘管不時得忍受家人的冷嘲熱諷，仍繼續做著便利商店大夜班店員的工作，以避免掉不必要的人際壓力。某天，一封高中同學的結婚喜帖，打破他原本的平靜，新郎不斷的電話邀請，讓他不知如何拒絕……。在婚宴上的遭遇，將會為他接下來的生活帶來怎樣的衝擊？他又該如何學習「面對自己」這個課題？

After a few unsuccessful work experiences, Xiaoguo, a young man not very good at socializing, chooses to work the night shifts at a convenience store. One day, he receives a wedding banquet invitation from an old-time high school classmate, which suddenly puts a lot of pressure on his otherwise tranquil life. And it's an invitation that he doesn't know how to refuse. What will the upcoming wedding banquet impact his life? How will he learn to face himself?