Shang You (played by Zhong Lili), a young girl from the Holy Spirit Clan, accidentally saved Si Yuan (played by Guan Li) from the Nether Clan on the eve of her wedding, but she didn't expect that her entire clan would be wiped out on the wedding day. In order to revive her clan, Shang You disguised herself as the deer demon Meng Li and came to the Nether Clan to seize the amber heart of the Nether King. During their time together, Shang You unexpectedly fell in love with her enemy, but in order to revive her clan, Shang You still chose to dig out Si Yuan's heart, but eventually discovered that the enemy was someone else...