1) A woman named Li-Li was unhappy with her mother-in-law due to constant arguing and criticism. 2) She asked a friend for poison to kill her mother-in-law, but he instead gave her herbs and advised her to be kind and treat her mother-in-law well. 3) Over time, as Li-Li followed this advice, her attitude changed and her relationship with her mother-in-law improved, with them becoming close like a mother and daughter.