Three Seconds Lullaby Battlefield Listener

What can you do with three seconds of recording? For a war correspondent, these are the last words. To a psychological warfare expert, it is a weapon that disrupts the enemy. For an 8-year-old girl trapped in a mine - it was a signal for help. Qi Mingjun was once the best war reporter, until he witnessed his companion die in front of the camera and could no longer press the shutter. Li Xueer is a calm and cold-hearted doctor of psychological warfare. She never listens to the recorder left by her father - because when she was 7 years old, her father never came back. Two people trapped by sound heard a three-second "Lullaby" from a terrorist's communication during a border surveillance. That's Chinese. That's a child. That was a cry for help. The superior said: The clues are too vague, give up. Li Xueer said: I want to hear how loud this sound can be. So, two nerds sneak into the war zone with a bunch of broken recording equipment. What they have to do is use their ears to locate the child's coordinates from the gunfire. They don't know that the biggest enemy is not bullets, but the echoes that trap them. Open this book and you will hear—— The whispers of the dying, the songs of children, the heartbeat of lovers, and the way home.