The Chimera world has received a lethal blow. Brimstone and his crew murdered, Karou now stands alone in the fight against Seraphims. Now that she remembers her true self, Karou becomes painfully aware that her love for Akiva has doomed her people not once, but twice. Akiva betrayed her, he is her enemy and therefore must die alongside his kind.
Gina Charles, a professional dog trainer, finds her soon-to-be husband and maid of honour in a precarious situation, on the eve of her wedding. Gina runs from the scene with her faithful dog and retreats to Hope Springs, a mysterious hotel in a remote location.
Cara Devon is a young woman who has returned to London after 7 years of exile, upon the death of her abusive father. Cara returns with the intention of selling off her father's priceless artifacts, forcing her to enter into a business contract with Viscount Nathaniel Lyons (Nate), a rich and handsome underworld lord.
Mr. Richard and Mr. Moncharmin are the two newly appointed managers of the grand Paris opera house in the late 1800s. Their predecessors, Mr. Debienne and Mr. Poligny, warn them about a certain “ghost” who lives in the opera house and requires a monthly allowance of 20000 francs.