The human world is invaded by the magical beasts from the game "Phantom Realm" and the world is plunged into a chaotic war. The survivors Qin Muchuan (Liu Zheng) and Su Hang (Shi Xuejing) are also under siege and are saved by the sharpshooter Ye Lin (Zhu Lina) when they are in danger.

At the beginning of the last century, in the ancient city of Jiangnan, three teenagers from declining families became good friends.They were Qu Qiubai, Zhang Tailei and Yun Daiying who would later become the early leaders of the Chinese Communist Party. Qu Qiubai is the highest-ranking CCP leader who died at the hands of the enemy; Zhang Tailei is the highest-ranking leader who died on the front line of the battle; the "China Youth" magazine founded and edited by Yun Daiying turns 100 this year. The film tells the story of the "finding" life of three teenagers...