A mysterious envelope. An unlikely travel companion. A journey to Scotland that is both magical and very real. On the outside, she appears to be successful and to have it all together: but inside, Kate feels cold, numb, and drifting without a purpose. Each day is merely a chore to get through, until... an envelope without a sender appears in her mailbox. It sends her on a journey full of surprising, sometimes hilarious and sometimes even dangerous events. She must leave her comfort zone, and discovers that some of the biggest obstacles are not on the outside, but inside herself. She learns to believe in her own strength again, and discovers the magic and deep wisdom in everyday life.