Marrying a concubine and swallowing her dowry? The mistress turns around and marries a high-ranking

(Double purity + revenge + divine doctor + fake eunuch + native woman vs. transmigrated woman) Shen Lingjun has been married into the Marquis's mansion for three years, serving her mother-in-law and raising her son, finally awaiting her husband's return from the battlefield. However, his first words are that he wants to marry another woman as a concubine. "Considering your hard work and contributions, I will not divorce you. Don't worry, Manman has the reputation of a divine doctor and has no ambition for the inner quarters; she won't compete with you for favor." For the sake of her child, Shen Lingjun tries to endure, but unexpectedly discovers that the legitimate son is not hers; she has been raising someone else's illegitimate child for three years! And her own flesh and blood is nowhere to be found! Shen Lingjun sneers, "The Marquis's mansion has wronged me..."