Set in Jiangcheng during the Republic of China period, the story follows Yan Yumo, an intelligence agent for the Chinese Communist Party hailing from a family renowned for their painting and calligraphy. Tasked with infiltrating the Kuomintang, Yan Yumo encounters Gu Xincheng, a sophisticated and influential young man. Together, they navigate a complex web of political intrigue, utilizing traditional painting and calligraphy techniques to unravel hidden secrets. Amidst life-and-death trials, their steadfast dedication to their ideals shines through. Guided by their unwavering faith, Yan Yumo and Gu Xincheng undergo profound personal growth and transformation.
