Delivery worker Brennan Lee spent four years working hard to support his girlfriend Yara Zhang through college, only for Yara to look down on him after graduation and cheat on the rich heir Jasper King. Right then, Brennan obtained the Taiyi Inheritance, gaining unparalleled medical skills and martial arts! He caught them in the act, angrily taught the cheating pair a lesson, and swore to become the ruler of Serene Prefecture! Next, he met the female lead Yvonne Yates, who he discovered had a pure yin body that could help him fuse the Tyrannical True Qi, so he treated Yvonne's father. After Yvonne's father recovered, he tried to betroth Yvonne to Brennan, but Yvonne looked down on him and drugged Brennan to frame him. By accident, she ended up sleeping with Brennan instead. Lord Shadow coveted Brennan's inheritance and repeatedly attacked him! Brennan used his extraordinary abilities to defuse the danger, and amassed enormous wealth! He had no interest in marriage, but Yvonne gradually fell in love with him. When he said he was disappointed in women, Yvonne proved with her sincerity that she was different from his ex-girlfriend! After going through life-and-death experiences together, Brennan finally trusted Yvonne's sincerity, and the two lived happily ever after.
