Lin Xuan, a war reporter carrying a mysterious system, accidentally traveled to the Changjin Lake battlefield in the cold winter of 1950 with a psychic civet cat. Facing the freezing cold of minus 40 degrees, powerful enemies armed to the teeth, and only 50 yuan of starting capital at the beginning, one person and one cat were forced to struggle to survive in the ice, snow and artillery fire. The aggrieved system sometimes works well and sometimes fails, and the arrogant cat is both a burden and a blessing. From using "IOUs" to cheat supplies, to "cutting leeks" to outwit equipment; from ducking down to avoid bombings, to setting up a gun to snipe powerful enemies; in the tempering of ice and fire, Lin Xuan gradually grew from an ignorant time traveler to a "battlefield ghost" who frightened the enemy. He exchanged captured cans for rice porridge and pickled mustard, used captured sights to arm his comrades, and even used captured tanks to challenge enemy armor... With the "unreliable" help of the system and cute cats, he not only controlled the local battlefield situation, but also integrated modern thinking into this battle for the founding of the country. When the smoke clears, heroes will remain forever. Lin Xuan proved in his own way: Dignity only lies on the edge of the sword; truth lies only within the range of the cannon! This is an iron-blooded legend about survival, growth, sacrifice and glory. He and his cat wrote the immortal glory of China on the frozen battlefield!