Five years ago, Jin Jun Li was arrested for accidentally hurting someone while protecting his girlfriend, Jia Ni Wang. Unexpectedly, Jia Ni Wang was bribed by a wealthy businessman to give false testimony in court, and Jin Jun Li was forced to go to jail. During his imprisonment, Jin Jun Li was bullied by the prison bully. Jia Ni Wang never came to see Jin Jun Li once. Instead, Mu Cheng Wang, Jia Ni Wang's cousin, felt that the Wang family owed Jin Jun Li, and came to see Jin Jun Li many times. The two developed affection for each other in their interactions, and Mu Cheng Wang also spent money many times to improve Jin Jun Li's prison relationships, and Jin Jun Li's life became better. Later, by chance, he met a noble person who helped him, and then went to the Dragon Special Forces to train, and finally became the leader of the Dragon Special Forces, known as the shield of the country. This time Jin Jun Li came back, wanting to live an ordinary life with Mu Cheng Wang, but Jia Ni Wang wouldn't give up. In order to protect Mu Cheng Wang, Jin Jun Li had no choice but to gradually reveal his identity as Emperor Dragon.
