Ye Gucheng, the ace sniper of the Blade Special Forces, retired due to guilt due to a mission error. He turned into a takeaway rider just to live a normal life. However, he accidentally rescued the kidnapped rich girl Su Muyan and was forced to become her guardian. He used his top-notch combat power to fight against the kidnapping gang, summoned his former comrades to set up a net to capture the enemy, and finally walked out of the shadow of the past, gaining love and new life.