The world of Kabuki is beautiful yet cruel, where Edo-era customs persist in the modern day. It is a class-based society ruled entirely by bloodlines, a cold cage where love between men is excluded as the ultimate taboo that could shake the foundations of a house. Genzo Tokiwa is a tachiyaku whose heart has been coldly stripped away by the pressure of his prestigious lineage. Guest is his childhood friend and an onnagata, reunited with him after over a decade of isolation. Under 24-hour surveillance by patrons and masters, the only place they can remove their masks is in the darkness of an empty theater. Between the glamorous stage and the cold depths of the abyss, a dark and maddening adult love begins between two men who must deceive the world.

As children, Genzo and Tsurunosuke were closer than anyone, polishing their craft together in the mud at the Tokiwa training hall. However, they were suddenly separated by Genzo's father and master, Genjuro. Guest was forced to focus on the arts of a different family, while Genzo was drilled in everything required to be the heir to the Tokiwa name. Over a decade passed without even a word of contact. One day, they are finally permitted to perform together in a play marking Genzo's succession to a grand stage name. When they meet in the dressing room for the first time in years, Genzo has transformed into an icy man, his former warmth and boyishness completely stripped away. Guest's heart freezes at Genzo's attitude, which rejects any unnecessary words.

However, the moment they step onto the stage and the sound of the shamisen resonates, the world transforms. Without exchanging a word, they understand each other's next move through breath alone. As if the ten-year void never existed, their bodies mesh perfectly. Only on stage can they feel the heat of each other's skin and devour one another with their eyes. This hunger makes their performance divine, drawing thunderous applause. Yet, from the wings of the hanamichi, Master Genjuro's sharp gaze monitors them. "Is what you show on stage art, or merely personal feelings?" Genjuro's pressure corners Tsurunosuke.

Genjuro's final trial is a fateful "double suicide" play. During rehearsal, Genjuro shouts mercilessly, "Your onnagata lacks the resolve—the madness—to take Genzo with you to the grave." On the night of the performance, Guest delivers a haunting performance, pouring in all the despair of their environment and their maddening obsession with Genzo, as if truly intending to die with him. In the eyes of Genzo, who receives this, the image of the boy from the past and intense passion dwell for just a moment. After the curtain falls, Genjuro says nothing about their overwhelming performance and gives a small nod. The two have proven their ability to live as the "faces of Tokiwa" to their master.

On the night of the final performance, Genzo appears soundlessly in the darkness of the empty dressing room. Casting aside his cold daytime mask, he embraces Tsurunosuke so tightly it feels as if he might break him. "I endured those hellish ten-odd years just to do this. You did too, didn't you?" he says, baring the obsession hidden deep within his hollowed body. In the public eye, Genzo marries another woman to protect the family line and lives as the perfect heir. Guest also lives a step back as the partner who supports him. While making the world and their master believe they have yielded to adult circumstances and become mere professional partners, they are mired in each other in the darkness of night and the fleeting moments on stage. A dark and beautiful complicity that deceives the world is complete.