An architectural historian slips into a locked Chicago building during a citywide blackout and discovers an impossible archive guarded by Draven?a silver-eyed immortal who has protected its secrets for more than 900 years. As Simone uncovers the hidden history of the Vorreth, an ancient paranormal species living among humans, a dangerous bond called the Claiming awakens between them.

But Draven has loved and lost before. After surviving centuries, wars, and devastating grief, he never expected to be Claimed again. Now Simone must decide whether to risk everything for a love that is intense, permanent, and utterly transformative.

Blending paranormal romance, mystery, immortality, and scorching chemistry, The Warden's Mark is a story about memory, obsession, and what it means to be chosen forever.