Noble heiress Selena Shelley time-traveled to the modern era, abandoned by a wealthy family in the countryside. Amid family conflict and inheritance theft, she boldly fights back. Sebastian Howell, the youngest of the prestigious Howells, a rebellious figure in Crowncity, finds himself inexplicably drawn to Selena.
Michael, a failed web novelist, unexpectedly discovers his girlfriend's affair. In rage, he gains a power: seeing QR codes over people/objects, which reveals secrets—wealth, lies, or danger. With this power, he exposes his rival's fraud, saves his landlady from disaster, and helps police bust criminals, turning his life around.