Lena is Trille's best friend, even if she is a girl. And there is never an ordinary day when you've got a best friend like Lena. Hardly a day passes without Trille and Lena inventing some kind of adventure that often ends in trouble. Whether it's coaxing a cow onto a boat or sledding down the steepest and iciest hill with a chicken, there is always a thrill-and sometimes an injury-to be had. Trille loves to share everything with Lena, even Auntie...