After striking a deal with the wealthy and powerful Edwin, Lai is tasked with an impossible mission. He must fool Prince Hector by posing as his rumored lover Ellen, to whom he bears a remarkable resemblance. But life in the palace isn't as easy as it sounds, as Lai is immediately subject to all kinds of harassment and hostility. What could Edwin possibly have in mind as the mastermind behind the scheme? Where is the real Ellen, and what exactly is his relationship with Hector? And now, with Lai in the picture - how will all these things come to change? (Source: Lezhin)