The Shili Tai Fire and Rescue Station is in a festive scene. Suddenly the alarm rang, and firefighters were dispatched immediately. In the early morning, ER doctor Xu Qin had just returned from the emergency room after a major operation. A few firefighters covered in mud rushed in, begging her to treat his comrade who has a toothache. When she told the man to remove his mask, the man turned away and left the emergency room.

Song Yan was called to the Captain's Office. The team received complaints. Thanks to the persuasion from the staff officer, Song Yan got out of the siege. In the locker room, several colleagues were talking about Xu Qin, and it was rumored that she was the next person to be promoted. It was said that Xu Qin's family had an unusual background, and her colleagues were stunned. Xu Qin encountered a traffic accident on the way off from work, Xu Qin stopped immediately and prepared to enter the scene.

Song Yan came back from a mission and couldn't find the lighter, he ran to the garbage station to look for it. Song Yan told Suo Jun that the two had broken up due to family issues. Suo Jun comforted him. Xu Qin and Meng Yanchen came to the bar opened by Xiao Yixiao. After hearing that the fire department came to do a fire inspection, Xu Qin thought she could see Song Yan and ran out immediately. Seeing that Song Yan was not the one who came to check, Xu Qin felt depressed.

Xu Qin learned that Song Yan was on vacation. So she came to his aunt's house again, hoping to reconcile with him. Song Yan refused. In the fire station, Song Yan complained to Suo Jun about the poor performance of the recruits. Song Yan firmly believed that he and Suo Jun could turn Shili Tai into the best fire station in the country. Suo Jun dodged his eyes.

The driver who caused the accident surived, but the HIV-positive result of the blood test made everyone break out in a cold sweat. Not only were the doctors and nurses involved in the rescue at risk of infection, but the firefighters involved in the rescue that day were more likely to be infected. Xu Qin called the fire station, and all firefighters who participated in the rescue and were injured had to be checked. Xu Qin was worried and drew blood for Song Yan.

Xu Qin was awakened by knocking on the door. It turned out a child's hand was stuck in the anti-theft fence of the balcony upstairs. Song Yan led the firefighters to launch a rescue from the balcony of Xu Qin's house. The child was saved. After the firefighters completed their task and extracted, Song Yan turned back, which surprised Xu Qin.

Song Yan mistakenly thought it was his younger sister who came to bring him clothes and went out immediately. When the other firefighters heard that it was the female doctor Song Yan knows, they couldn't help but hide behind and peek. Xu Qin asked Song Yan to invite her to dinner, Song Yan reluctantly agreed. The two prepared for the date and came to a fried chicken shop they used to visit in high school. Time brings the two back to ten years ago.

Suo Jun told Song Yan about his difficulty, and Song Yan finally understood why Suo Jun wanted to be transferred. Suo Jun also advised Song Yan to get married soon. The two settled their suspicions. Looking at the honors of the fire station and listened to the thanks of the girl he saved, he tore up the transfer application he had written.

Fu Wenying learns that Xu Qin doesn’t go on a date because of her busy work, and needs her to change her job. Xu Qin confesses that she has someone she likes. Fu Wenying warns Xu Qin not to force herself to be a villain again.

Due to her mother's strict discipline, Xu Qin hasn’t dared to disobey her mother since she was a child. Although she is independent now, she is still stressed and afraid of facing her mother. She asks Song Yan to come out. Song Yan already knows she is in a dilemma before she speaks. Therefore, Song Yan agrees to go back to square one.

Xu Qin speaks her mind to Meng Yanchen. She thinks she has been like a tame beast since she was a kid so she didn't dare to resist her mother and also doesn’t know what love is. Meng Yanchen proposes to her to go abroad with him but she refuses.

In order to speed up the replacement of old teammates and new blood, Jiang Yu proposes an idea to Song Yan but he disagrees with him. Song Yan thinks a fire scene is extremely dangerous and the new blood don’t have enough experience so they only are the reserves. Jiang Yu just wishes to avoid more meaningless sacrifices between the firefighters.

Meng Yanchen finds Xu Qin in the hospital, and he meets Song Yan by chance. He warns Song Yan to keep his distance from Xu Qin. Song Yan understands what he means and tells him not to interfere with Xu Qin’s life since he is not her biological brother. Meng Yanchen advises her not to end the relationship with her family because of Song Yan.

Since Xu Qin is reluctant to go on the blind date arranged by her mother, she arranges for the parents of both parties to meet. Xu Qin tells Jiang Yu that she has a crush on a man. He promises to help her.

A few college backpackers are stuck in a mountain and needed rescuing. Even the local civilian rescue team goes missing after looking for them. Without knowing the exact location, the firefighters face a tough rescue with the weather conditions and terrain. Meanwhile, Xu Qin receives a lesson on reading patients, not just treating them.

Shilitai Fire and Rescue Station proposes a joint rescue effort with the city's First People's Hospital. Xu Qin volunteers to join the training. At the fire station, both firefighters and medical staff learn from one another to improve the efficiency and efficacy of rescue operations.

After a bus flips over, a passenger named Chen Yu rescues many people before the firefighters arrive, but he is thrown out of the bus when it falls off a cliff and is seriously injured. He is called a hero by everyone, but he has an unknown side to him. Meanwhile, after the rescue, reporters want to interview Song Yan, but he introduces Xu Qin as the rescue team leader and gives the opportunity to her instead.

Jiang Yu and Li Meng went to a fire scene for a second inspection, but found some problems. The person in charge of the warehouse called a group of hooligans to beat them up but the firefighters can't fight or talk back, so they felt down in the dumps. Song Yan figured out a way to resolve their grievances, and they trained even harder.

Wu Xuan Yang calls 119 to rescue him and his alpaca, but Dr. Xu discovers that he has a serious condition called aortic dissection. His family doubts Dr. Xu's diagnosis but ends up being thankful to her for saving him. Meanwhile, Song Yan and Xu Qin exchange gifts with one another.

Xu Qin's mom discovers about Xu Qin staying the fire station. She goes to Song Yan to tell him to stop seeing Xu Qin. However, Xu Qin tries to rekindle with Song Yan who shuts her down in return. Later, they get into an argument about the mission of public servants.

With the medical staff gone from the fire station, Song Yan misses Xu Qin even though he refuses to admit it. However, a fire drill at the hospital reunites them again. Meanwhile, Dr. Xu contemplates her profession.

Teams are organized to help with the disaster rescue of earthquake victims in Wangxiang. The place is in bad shape, with many collapsed houses and structures and missing people. That includes Jiang Yi's mom, who's in Wangxiang with her sister, Jiang Yi's aunt.

Meng Yan Chen's mom wants her son and husband to let people know about the help they've been giving to disaster relief. Meanwhile, Song Yan and Xu Qin are both exhausted from the disaster rescue. Then, Song Yan gets seriously injured.

Despite knowing Song Yan's life is in danger, Xu Qin chooses not to stay by his side and continues fulfilling her duty as a doctor. The firefighters continue doing their mission in earthquake relief. Later, Xu Qin and Jiang Yi receive news that put their mind at ease.

After the successful disaster relief operation, Song Yan and Xu Qin go back to their lives. However, they can't continue setting aside their feelings for each other anymore. Things are beginning to fall into place, even in Dr. Xu's work.