Cheng Yao, aspiring lawyer, secures a position at Junheng, a leading family law firm. Opting to live nearby, she faces an unexpected twist when her landlord double rents. Agreeing to share with another tenant at 80% of the rent, Cheng Yao is unaware that this seemingly harmless "housemate" is none other than Qian Heng, the boss at Junheng.