Siheyuan: the Days of Opening Treasure Chests in the Security Department

I am Liu Xia, a passionate young man who has just reached the age of 20. I have a problem after traveling through time, but he learned martial arts from his master in the mountains. At first he was very interested, but after staying in the mountains for a month, he was thinking about how to come down the mountain to marry a wife. But at this time, a friend of the master came and took me out of the mountain to a steel rolling mill and asked me to work as a security guard. On the second day of work, something happened in the workshop and Jia Dongxu died.