An elderly man, gravely ill, sets out with his grandson on a journey to find the boy’s biological mother. Guided only by an address given by the child’s father, the two travel across many places, enduring hunger, hardship, and countless setbacks. Yet they never give up. Along this long and difficult search, the grandson’s initial misunderstandings toward his grandfather gradually turn into trust and reliance, as the two come to depend on each other for survival.
