Prom runs away with his rich girlfriend and becomes a drunk, while his wife falls ill and dies. Prom promises to build a good life for his son, Pariwat, and leaves him with a monk until he is stable. Twenty years later, Pariwat is bullied, and Prom, now rich from drug dealing, secretly protects him without revealing their true relationship. Prom also has an affair with his boss's wife, who is obsessed with him.