远离家乡的租客钟不凡（彭昱畅 饰）被老房东任爹（成龙 饰）误识成离家多年的儿子，囊中羞涩的钟不凡不得不与独自漂泊的租客苏晓月 (张佳宁 饰)、斜杠中年房屋中介贾爷 (潘斌龙 饰)、对任爹关怀备至的邻居金珍姑 (李萍 饰)相聚在同一屋檐下，不是一家人，硬进一家门。当钟不凡被任爹不定时发作的糊涂折磨得死去活来时，却发现了老人深藏多年的秘密……
As bacteriologist Lena (38) drives past a burning car, she hears a scream of a dying woman. Lena does not tell her boyfriend how much the incident distresses her, just as she does not talk about the stillbirth she recently had. Instead, she throws herself into her work, intrudes into the life of the deceased, begins an affair with the widower and gradually takes on the role of mother to their son. Her persistent insomnia causes her to lose control between dreams and reality. Finally she accepts the help of a whisperer and then finds her own way to cope with her loss
