During the period of the Republic of China, there were frequent wars and conflicts, and the people were living difficult lives. Many resorted to theft to make ends meet. Xiao Qi, in order to repay debts, took risks to sneak into the Lu Mansion to steal valuable items. Lu Xiao, the eldest son of the Lu family, appeared carefree but was actually calm and collected. He sneaked into the room of his younger brother, Lu Huai'an, late at night to investigate a confidential letter, and the two of them ended up meeting unexpectedly in Lu Huai'an's room. Thinking that she had encountered a fellow thief, Xiao Qi revealed her identity. Lu Xiao, upon seeing Xiao Qi, decided to use her to his advantage and devised a plan to escape an arranged marriage to a noble young lady by his father, the Lu Patriarch. Xiao Qi had no choice but to go along with Lu Xiao's scheme. Lu Xiao, wise and calm, Xiao Qi, simple and righteous, and Lu Huai'an, deep in thought - how will their story ultimately unfold?