The Crown Prince suspects Duan Ziang as a Red Shadow and orders a raid on the Sixth Prince's residence. Xiao Shu He scolds him, yet Ziang entrusts a dagger to him, vowing to protect him. Meanwhile, the Crown Prince and Chancellor Gu plot to eliminate Shu He.

Duan Ziang and Xiao Shu He dream of leaving behind their royal ties to live freely together in the mountains. Meanwhile, the Crown Prince clashes with the Emperor, leading a rebellion and confronting Shu He in a fierce standoff. Amidst chaos, the bond between Ziang and Shu He is once again tested between court strife and the struggle between two nations.