Warned by Odin that this Christmas will be anything but peaceful, Granny Advent and her granddaughter frantically search for signs of impending doom. Adding to their concern, unseasonably high temperatures are wreaking havoc on Earth, leading to catastrophic conditions. The world's foremost climatologist dies in a car accident just as he's about to share crucial information with Granny Advent.

What begins as a peculiar news story about stolen bulls quickly escalates into a matter of global importance. Granny Advent and her allies confront their most formidable enemy yet—an adversary with nearly limitless powers. Complicating matters further, a secretive cult emerges, intent on settling a score dating back almost 2,000 years.

Who is the being born from laughter that turns into a killer? Who will battle ruthless gladiators in the arena? How can they stand against monsters with human bodies, lion heads, and serpents coiled around them? And what does all of this have to do with Christmas?

Discover the answers in the latest installment of Granny Advent's thrilling adventures.