Feng Yan, the chief seal-holder of Xuanshu, in order to investigate the truth behind his mentor's mysterious death, conceals his true identity and transforms into a security consultant, stepping step by step into Xinglan Technology, which is deeply embroiled in a business war vortex, to secretly protect the young president Jiang Mo. The two stand shoulder to shoulder to break through the treacherous commercial undercurrents, layer by layer dismantling meticulously laid serial scams, unearthing grievances from the sect sealed away for many years. Having endured multiple identity twists and heavy crisis trials, the two always hold fast to their original aspiration, ultimately finding out all the inside story, and hand in hand heading towards the bright path ahead while walking side by side.