This drama centers on the water supply conflict in an old residential community. Sophia Sutton, daughter of Ping'an Sutton, upholds her father's wish to provide free purified water. She is slandered and targeted in a scam by neighbor Dolores Miller, who forces her to dismantle the purification system. The entire building suffers consequences. Dolores's actions lead to her ruin. The neighbors realize their error, and Sophia restores the system, honoring her father and achieving personal growth.