Is Meldy゠Rockvell real? Or an impostor? Kidnapped at the age of 12, Countess Mereldy returned after 4 long years. However, Mereldy has lost all her memories and has become the center of attention in high society, being called the "Lady of Stopped Time." Around that time, Alan゠Brighton, the heir to a Marquis family, was given a task by the Crown Prince. Because an anonymous letter claiming that "Mereldy゠Rockwell is an impostor" was sent to the Crown Prince, he was asked to investigate Mereldy's true identity……? With the return of one lady, the stopped time begins to move again――A romance mystery that closes in on the truth.