During a special forces selection exercise, an unexpected accident leaves King of Soldiers Han Cheng disabled while saving a comrade. Removed from frontline duty and reassigned to the military dog training unit, he believes his career has reached its darkest hour. However, a system suddenly awakens, offering rewards for training dogs and the possibility of restoring his health. Determined to recover and continue his military service, Han Cheng begins his new life as a dog trainer with the system's aid. Soon, his canine trainees begin achieving the impossible. His military dogs defeat multiple elite reconnaissance soldiers in sparring matches, wipe out entire drug trafficking rings during border operations, infiltrate enemy warships to carry out assassinations when the fleet is surrounded, seize terrorist airfields and steal fighter jets during peacekeeping missions, and even hack into hostile missile facilities. As Han Cheng’s dogs grow increasingly extraordinary, Xia Nation’s newly formed super canine unit gains worldwide renown, leaving foreign powers stunned and even shocking the nation's own high command. They were supposed to be ordinary military dogs, but Han Cheng has somehow trained them into the ultimate special forces of the canine world.