The 97th anniversary of the founding of the Communist Party of China (CPC) will be on Sunday, July 1, 2018. In this special series of National Memory, we will take you back to the time when China's pioneers paved the way for the founding of the CPC. A group of young people who cherished the idea of saving China, grew rapidly through their study of Marxism. However, many Marxist intellectuals became thorns in warlords’ flesh. What difficulties did they face?