Su Yunqiao, a mute female medicine farmer, was involved in the conspiracy between the two countries because of her treatment of Xiao Jingheng, a seriously injured proton. She used her mute voice as a shield to play pig and eat tiger, used her medical skills and resourcefulness to solve the mystery, and redeemed each other in a hidden marriage contract with the seemingly cold but affectionate Proton, finally uncovering the mystery of her life experience and overturning the chess game of power.
