Dr. Jones (Evan McGregor Ewan McGregor), a salmon expert, works in the British fisheries department, and the midlife crisis makes him feel bored and tired. One day, Dr. Jones suddenly received a seemingly unimaginable task. A wealthy Yemeni sheikh contacted Dr. Jones through his young secretary Harriet (Emily Blunt Emily Blunt), hoping to use Dr. Jones's wisdom to help him realize his dream of fishing salmon in Yemen. At the same time, the British government found great political significance in the plan, so the British Prime Minister's press spokesman (Kristen Scott Thomas Kristin Scott Thomas) also enthusiastically joined in. As the work went on, subtle changes took place between Dr. Jones and Harriet. But in the face of his lifelong wife and his boyfriend who returned from the war, where will Dr. Jones and Harriet choose? What will happen to this magical plan that spans the two countries after the British government joins? Can the sheikh's dream of fishing salmon in Yemen succeed? This is a story about love, faith and choice. The root of this film.