The heroine Su Jinse enters the aristocratic Lu Mansion as a dowry maid. Faced with the struggle between concubines and concubines and the family conspiracy, she relies on her tenacity and wisdom to survive step by step in the house fight. She and the male protagonist Lu Jingyuan go from misunderstanding, sadomasochism to mutual understanding and love. The plot highlights the exciting points: the heroine has no golden fingers and relies purely on IQ and EQ to defeat the villain and counterattack to get the upper hand; the elements of sadomasochism run throughout, increasing emotional tension and reversal, such as identity gap, misunderstanding and separation, etc., And finally reveal the truth, achieving a dual victory of emotion and house fighting.