Poong Sang took care of his 4 younger siblings and supported them financially because his parents did not support them. His younger siblings are first younger brother Jin Sang, first younger sister Jung Sang, second younger sister Hwa Sang, and youngest sibling We Sang.
Poong Sang is now middle-aged, but he has never lived his life for himself. He is still busy dealing with the affairs of his younger siblings. Poong Sang's first younger brother Jin Sang makes trouble as he waits for a chance to change his life. Poong Sang's first younger sister Jung Sang is a doctor. She is smart, logical and cool-headed. Poong Sang's second younger sister Hwa Sang has an inferiority complex due to her older sister Jung Sang. She is also a troublemaker like her older brother Jin Sang. Youngest sibling We Sang dreams of becoming a professional baseball player, but he has failed to achieve his dream.