An (Ma Qunyao), an unemployed young man from a Thai Chinese family, saw his cousin inherit the property by taking care of his seriously ill grandfather, and he also became interested in his terminally ill grandmother (Usa Samekham), planning to copy his cousin's "road to wealth" to obtain a million-dollar inheritance. However, facing equally "hard-working" uncles and a picky and venomous grandmother, An's road to becoming a full-time filial grandson and "living off his grandmother to get rich" does not seem to be as smooth as he expected...