The 80-year-old grandma suddenly learned how to use a smart phone and created the "Lin Family" group, and everything started going crazy - the uncle forwarded rumors about health care every day, the second aunt secretly and openly revealed that her son had passed the public examination at Versailles, the third uncle never paid back the money he borrowed and liked to send long messages, the youngest cousin changed the group name to "Love each other and the whole family is stupid"... In the laughter and curses, there is hidden the truest warmth and heartache of ordinary people. After the old man passed away, the group slowly became silent until one day someone sent a message by mistake...