Boo is a seven-year-old Thai girl whose father is dying. She must leave home and travel 1700 kilometres to live in an orphanage, 'Pa Joe's Place', run by a foreigner (farang). With a bag of clothes, some food and a mysterious envelope addressed to 'Pa Joe', she endures an adventurous train trip to Songkhla. On the way, she meets influential people who know Pa Joe, and a wise monk who gives Boo a lucky amulet.Boo settles into 'Pa Joe's Place', makes friends and inspires Pa; an American Jesuit priest who has cared for Thai orphans for 50 years. She and her friends establish a successful jam-making business to make money for Pa and Boo meets Jack Ryan, an Australian farmer she admires. Shattered by the death of her father, Boo runs from Pa Joe's Place but is soon found by Pa and the Chief of Police.Boo has survived four life-threatening situations since she left home: a train crash, snakebite, tsunami and a fire. Suddenly she takes ill and is rushed to hospital. Will her lucky amulet help her to survive?