Zhou Cheng and his cousin Zhou Zhiqiang jointly bought a delivery truck, originally intending to help each other out. Unexpectedly, as business got busier and busier, scheduling the truck gradually became a problem. Repeated misunderstandings and losses made the two realize that true fairness is not about everyone taking a step back, but about making responsibilities and commitments clear. In the end, they chose to bear their own share and respect each other, while rediscovering the proper boundaries that family affection should have.