In August 2014, a fire engulfs a Beixun home. Teen Nanchu, trapped, sees a firefighter break in and carry her out. Before fading, she remembers his eyes and badge number.

Lin Luxiao loses his honor; the team resents Lou Mingye. He sets up a "Blue Buddy Supply Station" for meals.

At Heping Road station, new recruits learn only those who beat veterans can add to the “9 Special Rules.” Nanchu learns her dance company is failing.

Lin Luxiao teaches the new recruits that firefighting isn’t about showing off. They feel crushed. Other officers explain his caution comes from a boy he once failed to save.

Lin Luxiao recruited Yu Qilei for his structural engineering skills. But family pressure to quit grows. Lin tries to ease his stress, making Yu feel worse.

Lei understands Yu’s family struggles. Lin sees public support as key, so he agrees to film and tells Yu to follow his heart. Jiang Ge wants a real, unscripted show.

Nanchu can't sleep, sneaks food, and gets caught by Lin. She says heroes deserve to be seen. Lin rethinks, maybe make the show professional, not cancel it.

A battery fire is put out. Show guests feel proud. Shao and Qin are misunderstood and lost. Lin says firefighting isn't just being heroes, it's mostly small acts of helping people.

Lin designs amateur drills. Nanchu's fire phobia returns. He encourages her through smoke and flames—she crawls to safety.

A family fight leaves father and son injured, lung infection risks weigh heavy on the team. Depressed student Sun Meng, crushed by parents’ control, stands atop a building with a knife to her artery. Liu Ruyi tries everything to calm her.

Sun Meng’s parents accuse the station of calling her mentally ill. Lin tries to shield the new recruits, but the parents make a scene.

Liu Ruyi and Yu Qilei both want time off but can't get it. Jiang Ge sincerely discusses music with Lin Qi, who agrees to collaborate.

Xi Gu asks if Nanchu likes Lin. She admits he makes her feel safe. Xi Gu snaps a photo of them and sees right through her.

Ran Dongyang starts a small fire for a staged video. Nanchu and Jiang Ge catch him. He locks them in to argue, but hidden combustibles ignite.

Lin removes a snake for a resident. A matchmaking grandma chases him off. He takes blame for the factory fire.

Nanchu and Lin's first date—both nervous, can't even hold hands. The whole station plays matchmaker.

Yang tells Shao and Qin: Aunt Cai’s son died on duty—she stays because of that. Then explosions rock Nanwan Port.

Everyone mourns at Yang's bedside. Meng Guohong brings him a trophy he loved. Yang comforts others, never crying.

Lin, Liu, and Yu vow to care for Yang despite his pain. Nanchu's fame grows, but acting is hard.

Lou Mingye sets up a pro simulation to motivate the team. They complete the task, but Liu, Lei, Shao break protocols, Lou threatens demotion.