It’s Christmas time and the family has gathered. Everything goes on as it did the previous Christmases, with grandpa drinking too much and grandma trying to keep everyone in the mood. After the Christmas holidays, everyone returns to their own homes until it's time to gather again, this time for a funeral.

Sari is a high school principal with high standards but no idea of what to do with them. In the teachers' lounge her nitpicky style hasn't won her popularity. When Sari hears that the teachers are organizing a get-together and she's not invented, she decides to act: get an invitation and win everyone's hearts. There is nothing standing in the way of her and popularity - except one broken mug.