Snow Reflected in the Moon tells the story of Princess Chu Yu, who seeks the truth amid ill-fated love and political intrigue. She loves Chu Yuan, yet marries He Ji, who resembles him. As the old case of Huanxiu Palace, the mystery of the twins, and the “White-Headed Song” poison are brought to light, she discovers that He Ji’s imitation was his way of protecting her, Chu Yuan’s restraint hides a secret, and the bloodline she shares with her younger sister, Yan Shu, holds the key to breaking the deadlock. In the end, the hatred fades, leaving only the sincere love and quiet protection hidden in the smallest details, etched into the years.