All films in the series are adapted from “We Drank Our Tears,” a 2004 oral history of the civilian experience of World War II battles on Saipan and Tinian, published by Pacific STAR Young Writers Foundation. In 1944, some of the final battles of World War II were waged on the Pacific islands of Saipan and Tinian. 933 indigenous Chamorro and Refaluwasch civilians did not survive the battles. The book and the film series tell some of those stories.