Retired teacher Yvonne Stewart goes on a trip with her son's family, only to be forgotten at a highway service area. Heartbroken, she stops paying the mortgage loan and auto loan. Faced with disputes over urban demolition compensation and coercion from her family, she resolutely severs mother-son ties. With the support of Hector Henderson, she returns to the teaching podium, goes to mountain villages for rural volunteer teaching, breaks free from the shackles of her family, and restarts her later life.
