After the new emperor, Chu Jingheng, ascends the throne, he delays appointing Jiang Feining as his empress. The Empress Dowager regards her as a thorn in her side and publicly presents her with a cup of poisoned wine, intending to kill her. Jiang Feining calmly drinks it but remains unharmed. Instead, the emperor suddenly suffers a critical illness. It turns out that, because of their complicated romantic past, she had already become bound to him by a life-sharing gu from Miaojiang, linking their fates. As the truth behind their former affection gradually comes to light within the imperial palace, various factions clash in succession. Jiang Feining carefully navigates the dangerous political landscape, breaks free from her constraints, overcomes one crisis after another, and ultimately leaves the palace intrigues behind to embrace a new life of freedom.