Concubine's Wife

An unloved concubine was forced to return to the complex life of a house, first with the false care of her aunt, and then with the suppression of her concubine. On top of that, there was also the die-hard grandmother, the biological father of the decisive person, and the unpredictable aunt. After passing many hurdles and marrying into the Hou family, how can she avoid all kinds of tit-for-tat confrontations, win step by step, and secure her position as the head wife in a house that seems calm but is actually turbulent?