When Adam accidentally gives up the location for the senior skip day party to his school's principal| he offers up his house as a new location. But for it to be a success| he needs to get his senior class to his house and stop the principal from crashing the party.

68岁的奶奶以为孙子每天去上学。她五点半煮鸡蛋，塞20块午饭钱，等他放学喊一声“奶奶”。直到班主任上门，她才知道：孙子三天没去上课。她找了一下午，晕倒在单元门口。手术室外，14岁的周野跪着说：“奶奶，你出来打我骂我都行。”可奶奶还没醒，父亲的电话那头，又传来一声巨响……