Jules Claus has embraced Christmas again and is getting ready for the busiest time of the year together with grandpa Noël. Everything seems to go according to plan, until Jules receives a very special letter with an intriguing question...

A routine raid led by Emer Berry, a detective in the Irish Criminal Assets Bureau, reveals that a small-time drug dealer has been receiving substantial funding from a seemingly untraceable source – not in cash, but in rough diamonds. When these diamonds are linked to a series of bombings in Belgium, Emer is forced to work with Police Commissioner Christian De Jong.

When his grandfather suddenly falls ill, holiday-hating Jules learns of his family's magical legacy and realizes he's the only hope to save Christmas.

Jonathan, a kind-hearted young man, is released from prison due to lack of evidence. He returns to his mother who lives in a small house by the dunes. Jonathan wants to forget the past and is determined to become a different and better person. But even though he strictly adheres to the rules, his good intentions are soon put to the test when a young woman moves in next to him with her small daughter.