Two sisters living on different continents were reunited on an island in the Mediterranean. The two had almost no time to establish contact and restore family relationships, as the elderly Kate met a group of locals and agreed to embark on an exciting trip in a hot air balloon. But disaster struck, and due to an abnormal accident, the balloon was taken to the distant sea. Kate and her friends' phones are out of range, and the balloons are out of gas. They are fighting for their lives. However, upon returning to land, my sister Liz became an unwelcome 'girl'; Important witnesses "; Crime. Then, things took a dramatic turn, which will forever mark their lives.