Lin Beichen is an otaku who comes across a mobile phone by chance, and that phone carries him into a world called Dongdong Zhenzhou. There he becomes the eldest son of Lin Jinnan, the Zhantianhou, counted among the ten most famous men of the North Sea Empire. This new Lin Beichen has a notorious reputation as a black sheep and was born with a brain disease. When Hou Lin suffers defeat in the war in the south, the family slides into decline. With his backer gone, Lin Beichen finds himself pinned inside his school by a crowd of enemies, unable to leave. At the critical moment, he realizes the phone he brought with him works as a plug-in artifact that can help him train. With that tool in hand, he launches a hilarious counterattack of his own.