Before passing away, Old Mrs. Lin made a special will, leaving the old Western-style house to her bankrupt and debt-ridden son Lin Daqiang, on the premise that on New Year's Eve he must personally cook a plate of sweet and sour spare ribs for his estranged younger sister Lin Xiaoya. Facing the strict countdown by testament execution lawyer Cheng Lu, Lin Daqiang, who cannot cook, falls into desperation, while Lin Xiaoya, who secretly sells the house to save their mother, also refuses to compromise. In this absurd family division session, assistant Su Nian and Cheng Lu peel back the cocoon to gradually uncover the hidden hardships of the siblings. This incompatible pair of siblings must put aside their grievances before the deadline to fulfill the contract and save the mansion carrying their family affection.