Neoma and Jag and their small community are 'living gentle lives' on high ground surrounded by the risen sea. When strangers from the Valley of the Sun arrive unannounced, the two friends find themselves drawn into a web of secrecy and lies that endangers their whole way of life. Soon daring, loyal, Neoma must set off on a solo mission across the risen sea, determined to rescue her best friend and find the truth that will save their village.