小莉在老公寓發現一張斷腳的活沙發，小莉修好沙發的斷肢後，沙發像狗一般的親近小莉。以愛情詐騙維生的阿龍，找到了小莉住處並跟她要錢。兩人爭執時，沙發一口吞掉了阿龍，一點痕跡都不剩。沙發吞掉了小莉的恐懼，讓她可以日日安眠，但是當她的孩子來找她，沙發卻成了她新的恐懼，害怕孩子也會被吞掉。

In order to escape from her ex-husband, A-Long, Lili moves to an old apartment by the sea and discovers a living sofa there. After fixing the sofa's broken limbs, the sofa becomes affectionate with Lili like a dog.

A-Long finds Lili's apartment and demands money from her. When the two of them argue, the sofa suddenly swallows A-Long whole, leaving no trace behind. The sofa has consumed Lili's fear, allowing her to sleep peacefully at night. However, when her child comes to visit her, the sofa becomes a new source of fear for her, as she is afraid that her child will also be swallowed.

Lili decides to take the sofa to the beach and burn it at night.