When Hart, a lonely marshal patrolling the magical Tanria, pens a letter to 'A Friend' after an infuriating encounter with Mercy, the undertaker keeping her family business alive despite him, neither expects to find solace in anonymous correspondence. As their letters weave a bond between them, unaware they're each other's source of frustration, romance kindles amid the mystical wilds peppered with donuts and small-town quirks. But when the truth emerges, Hart and Mercy's newfound connection faces the ultimate test against the backdrop of a world brimming with magic, demigods, and unexpected kinship. 'The Undertaking of Hart and Mercy' is a rollicking tale of love where whimsy collides with the macabre, crafting a spellbinding narrative that celebrates life's inevitable entanglement with death, and the serendipity of finding a kindred heart in the least imaginable person.