A romance writer and a world-famous actor must fake a relationship to save a Christmas movie, only to find their own feelings thawing amidst the festive chaos. Evie Bird, author of a bestselling romance novel, meets Duke Carlisle, the actor cast as the leading man in its Christmas movie adaptation. Their initial encounter is fraught with tension, mirroring the cold Bavarian setting of their film shoot. When leaked press photos of their argument threaten the production, they are compelled to pretend to be a couple until filming concludes. As they navigate their forced proximity and growing animosity, their animosity begins to transform into genuine affection, challenging the boundaries between their staged romance and real emotions.

Readers have enthusiastically embraced 'Just for December,' highlighting its strong rom-com elements and engaging characters. Many reviewers specifically praised the dual POV, the enemies-to-lovers dynamic, and the fake dating trope, finding them to be enjoyable and well-executed. The book's festive atmosphere and the chemistry between the protagonists were frequently cited as highlights, making it a popular choice for a heartwarming Christmas read. The writing style and the 'movie magic' setting were also commended, contributing to a highly positive reception among readers.