"Hello Flame Blue" is not voiced by Lan Yan, but the original words of actor Zhang Huiwen, and the voice of actor Simon himself is also voiced by Huo Yan. The lines of this play were all said by the actors themselves, and no other voice actors were asked to record them separately.

This TV series is mainly about the sparks caused by the collision between firefighters and emergency doctors. Huo Yan is a fireman and Lan Yan is an emergency doctor. They cooperated tacitly in the test of life and death, and gradually fell in love with each other. They share the same belief. Huo Yan and Lan Yan are comrades-in-arms at work and tacit cooperation partners. They are close lovers in life. They are both lovers and comrades in arms. Their love story.

However, the love between Huo Yan and Lan Yan is not only sweet, but also cruel, but it is only a small part. They will make up again in the future. Many interesting stories happened between Huo Yan and Lan Yan from acquaintance to love, which attracted many netizens to watch.