Emergency physician Ye Yuxuan transmigrates into the Ming Dynasty, becoming a bankrupt bookworm, and gets saddled with a ridiculously troublesome system. Right from the start, he's handed a special package threatening the annihilation of his entire clan. When the Crown Princess suffers a postpartum hemorrhage, failure to save her means his whole family will be beheaded! Ye Yuxuan tears down the imperial notice and rushes into the palace, giving the Crown Princess a hemostatic injection. Fortunately, he manages to save her life, but in doing so, he also inadvertently uncovers the truth behind her mysterious hemorrhage.