What is the general content of the story "Mother-in-law Tattoo"?

My mother-in-law stabbed Yue Fei in the back? Loyalty to serve the country is patriotism, and serving the country and the motherland is always the goal of life.

1 126 years, nomads from the central plains invaded on a large scale, and Yue Fei joined the army. Before leaving, Mrs Yao called Yue Fei to her eyes and said that the country was in danger. What's your plan? ? Going to the front line to kill the enemy and serve the country faithfully, Mrs. Yao is particularly satisfied with her son's answer, because loyalty to the country is the mother's hope for her son. She decided to tattoo these four words on her son's back so that he would never forget them. ? Yue Fei unbuttoned her coat and asked her mother to take the needle. ? Mrs Yao asked if acupuncture was very painful. Are you scared? Yue Fei said, mom, what is a small steel needle? If I'm afraid of injections, how can I go to the front to fight? Mrs Yao wrote on Yue Fei's back first, and then embroidered it with embroidery. After stabbing, apply vinegar ink. From then on, the word loyal to the king on Yue Fei's back will never fade. ? After Yue Fei joined the army, he was quickly promoted to soldier Ichiro because of his bravery in combat. At this time, Kaifeng, the capital of song dynasty, was besieged by 8 Jin Army, and Yue Fei and Zong Ze, deputy marshal, went to the rescue. After defeating 8 jin j many times, he was appreciated by Zong Ze, praising his wisdom and talent beyond Gu Liangjiang's reach. Later, he became a famous hero against gold and was admired by people of all ages.