Lu Xuan receives hairy crabs sent by his father-in-law, and his wife Su Xiao reminds him not to rush to post it on WeChat Moments, because his mother Wang Xiulan often passes things sent by her maternal family to her younger brother Lu Chuan. Subsequently, centered around crabs, a house, and a sum of old compensation, the family has a dispute. Accompanied by Su Xiao, Lu Xuan gradually finds out the truth that his mother forged materials, concealed compensation, and edited recordings, and also re-understood his father's dying words "Don't hate the wrong person".