When the flamboyant Henry Paget arrives in 1890s North Wales to claim his aristocratic inheritance, his theatrical flair and defiant eccentricities send shockwaves through the upper-class elite, much to the amusement of the local townspeople. Alongside his spirited cousin, Lily, and loyal butler, Gelert, Henry tries to carve out his own identity as the Fifth Marquess, navigating suffocating traditions, scheming relatives, and the long shadow cast by his estranged father.

On the verge of a nervous breakdown, Adam has began to suspect something unusual about the world around him; it's all a simulation. As his sister Alice attempts to help him through his episode of poor mental health, can Adam separate paranoid delusions from reality or is there more at work than he realises.