My Wife, the Secret Genius

In the 1990s, live-in son-in-law Cole Linden is cast out by his harsh mother-in-law during asset division, left with abandoned land and his wife, Stella Lee, seen as a fool. Cole discovers Stella is a hidden genius in mechanics. The couple starts raising fish, building their own aerator, and establishing Linden's Fish Workshop. They fight a local fish tyrant and market blockades, leading the village to prosperity. This is a story of trust and counterattack.