A man becomes involved in a memory manipulation operation to try and regain lost memories. He thinks the exercise may help repair his failed marriage, but accidentally ends up with the mind of a serial killer.

Zhao Rurui and Zhao Ruxin are a pair of sisters. Older sister Rurui has been a top student since she was a child was on the way to become a doctor. Compared to her the high school student Ruxin is deemed very mediocre, she is not valued by her parents and teachers, and is jealous of her sister Rurui. On the eve of Ruxin's college entrance examination, Rurui dies in a car accident, which causes a huge blow to the family. Ruxin finds a second mobile phone in Rurui's things and puzzled by her sister's death travels to the big city where her sister lived alone.

Li Zizhou, a young revolutionary builds a secret network in northern Shaanxi to spread communist ideals and train future leaders. Despite facing betrayal, arrest, and ultimate sacrifice, his efforts ignite a revolutionary fire that inspires the next generation to continue the fight for justice and freedom.