Six members crossed back to 1978 to help villagers do farm work in the village. They unexpectedly received the news of resuming the college entrance examination in the cold wind, and this exam will be the only way for them to return to 20 18. They need to study hard to prepare for the college entrance examination, while taking part in agricultural activities to earn work points. As a result, LAY failed, and the other five people went to the college entrance examination.