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Old Lin, a retired steel mill veteran with mobility issues, lives a materially comfortable yet emotionally desolate life. His routine is unexpectedly disrupted when he crosses paths with Ma Teng, an idle drifter brimming with "useless knowledge" and a chronic habit of abandoning projects midway, during a botched caregiver interview. What begins as a comedic clash of misunderstandings evolves into an extraordinary companionship. Through their unlikely journey bridging generational and social divides, the mismatched pair transforms from chaotic strangers into mutual pillars of support. This transgenerational bond defying conventional boundaries of age and mortality becomes a profound testament to human resilience. In each other's flawed existence, they discover the courage to confront physical decline and mortality, ultimately unearthing the fortitude to embrace life's uncertainties with renewed bravery.