After seven years, racing pigeon 043 suddenly returns to the family home, but it brings back the family's sad memories of their son's disappearance. The family's father, Mr.Ah Chin, is obsessed with racing pigeons; his mother, Ah Min, is worried about the family; his daughter, Lulu, yearns for freedom; and his grandfather, who is sick, is dying. He is determined to learn from Master Ah Chin and devote himself to pigeon breeding, but he can only see the storm approaching, and the family is so overwhelmed that they go their separate ways. The ones who should come back do not come back, but those who should not come back are back.

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賽鴿043在七年後突然飛返家宅，卻喚起一家子關於兒子失蹤的傷痛回憶。遲未申請的死亡證明懸而未決；父親阿欽師沉迷賽鴿；母親阿敏愁心家計；女兒露露一心嚮往自由；抱病的阿公垂垂老矣。無家可歸的少年小虎因傷被露露帶回家中，決心師承阿欽師投入養鴿，卻只能眼看風暴驟臨，一家人難堪重荷，各奔東西。該回來的不回來，不該回來的卻都回來了。