On a warm day in Arendelle, Anna is excited to celebrate her birthday. The energy and preparations are in full swing, but what she doesn't know is that her sister Elsa, with her magical ice powers, has been working on a special surprise. With the help of Kristoff and Olaf, Elsa wants to make this day an unforgettable birthday, but there's a small problem: Elsa has caught a cold, which could complicate everything.
As the party progresses, Elsa tries to control her powers while feeling out of sorts due to the fever. The ice and snow get a little out of hand, creating both comedic and challenging situations. Olaf, the lovable snowman, is more than willing to help, but his enthusiasm occasionally leads to comedic mishaps that threaten the surprise.
Meanwhile, Anna, who is unaware of her sister's condition, remains excited about the birthday plans, leading to adorable and heartwarming moments between the sisters. The story revolves around the importance of family, friendship, and how sometimes plans can go awry. As things get complicated, the sisters must come together to overcome the challenges and discover what truly matters on this special day. Not everything goes as expected, but in the end, love always wins!