After a career setback, skilled surgeon Zhang Chi joins an emergency center under the mentorship of the experienced Qi Ji. Facing intense challenges, he finds purpose in saving lives and navigating personal and professional struggles, forming a deep bond with Qi Ji in the high-stakes world of emergency medicine.
During the Anti-Japanese War, Yun Hongshen unknowingly chases after his father's killer, only to fall into a trap set by "Black Butler," a Japanese spy who had been undercover in China for 15 years. With the help of a close family friend and guidance from the Communist Party, Yun Hongshen joins forces with patriotic youth Wen Yeming to expose the spies hidden within the Nationalist army. Together, they set intricate counter-traps, overcoming personal vendettas to help turn the tide of war.
EMT's president tries to force his daughter, Ai Mi Er, to marry Long Ke Company's He Yi Kun, the eldest of the president's sons for a business alliance. Ai Mi Er runs away to receive help from her boyfriend, Peter, and coincidentally ends up as the housemaid for He Kai Xin, the younger brother of He Yi Kun
Nineteen years after being dismissed over a national security leak, former officer Wu Yu has lived on the fringes, relentlessly pursuing the truth behind the betrayal that ruined his life. As he uncovers hidden layers of deception, a new officer, Guo Weijie, inspired by Wu Yu’s determination, grows into a leader in national security. Together, they face mounting dangers to reveal the true traitor.