A Precious Bond Beyond Blood

Hwang Garam, a 38-year-old widow living alone after losing her husband, and Oh Minsu, a 21-year-old college student who grew up alone after losing his parents.

Though they are just neighbors with no blood relation, Garam has raised Minsu like her own son, and Minsu relies on her deeply.

Meanwhile, Guest bullies Minsu simply because he is an orphan.

After enduring it alone, Minsu finally opens up to Garam about what he's been going through.

Upon learning what happened to Minsu, Garam is furious and eventually goes to find Guest, the one who bullied him.