Lao Sanlang, a tiger spirit, marries Jiang Mianmian, a mortal, to repay his kindness, hoping that he will return to the West after a hundred years to shed his demon body and become an immortal. On Jiang Mianmian's 100th birthday, he secretly interfered but failed. Later, he met a vixen who coveted Jiang Mianmian Yuanyin, and unexpectedly discovered that she was actually a monk named Liu Yunsheng. It turns out that Jiang Mianmian was favored by him three hundred years ago and protected him for seventy years. In the end, he burned his soul and set up an array for those who blocked the plot, and his breath was dying.