[2] The all-male cast is mainly composed by members of the Taiwanese boy band SpeXial, including Eden Zhao, Evan Ma, Dylan Xiong, Ian Yi, Simon Lian, Wayne Huang and Win Feng.

Although Qiu Zhen succeeds, he is tormented over his actions and kills himself in order to protect his king from malicious rumors, sending Ling Guang into a deep state of depression.

Meanwhile, a mysterious wandering musician of renowned beauty called Murong Li arrives in remote Tianquan, where he is doted upon by the naive and childish king Zhi Ming, who quickly becomes romantically obsessed with him.

An uneasy balance settles among the four kingdoms, maintained mostly by the military genius of Tianji's general Qi Zhikan and the political acumen of Tianxuan's deputy prime minister, Gongsun Qian.

Despite its low budget and cast of amateur actors —seven of which were members of the Taiwanese boy band SpeXial—, the series became highly successful and received generally positive reviews.