This is episode 54 of 76 of My Simpleton Mother. Play it below, then continue straight into the next episode — the whole season is free and needs no account.
The closing stretch of the season, where the arc pays off.
Intellectually disabled Lin Yanzhen bore twins for late husband but impoverished. Grandma abandoned sister to spoil brother. 20yrs later daughter became tycoon's heir, son denied his mother & tricked her into selling kidney for his wedding house.