Emergency doctor Shen Yan is known for his calmness and professionalism, and can quickly and accurately judge the condition of the injured; fire captain Lu Zheng is hot-blooded and courageous, and has super danger prediction ability. The two frequently collaborated for city emergency rescues, from life-and-death cooperation at fire scenes to tacit cooperation in car accident rescues. Their trust was built up in each dangerous situation. When extremists create large-scale fires to vent their personal anger, threatening countless lives, Shen Yan goes deep into the dangerous situation with first aid equipment, and Lu Zheng leads the team to open a life channel. The two protect each other amidst the thick smoke and fire, and finally frankly hide their inner feelings. In the end, they joined forces to subdue the extremists and rescue the trapped people. This emotion that spanned life and death also won the understanding and blessings of those around them.
