Nia and Nika, accompanied by their parents, plan a New Year's trip, but their mischievous behavior leads to punishment. Instead of following their parents, they have to spend New Year's at Grandpa's house, who discover a magical locket capable of granting wishes. Opting for a private celebration, the siblings find themselves targeted by robbers hired by a collector eager to obtain the medallion. Now, the children must confront the thieves on their own