GRAY STAR revelation

Gray Star is a Dyson sphere, an enclosed star. The shell is two hundred million miles diameter and about two thousand miles thick. Trapped inside are millions of people, but now they've been told they must build ships and leave. The problem is they not only have no infrastructure to do that but Owners are divided and the kingdoms are at war. Unlikely hero's emerge to bring everything together but then there is the ultimate interference, the builders reveal themselves and the purpose of Gray Star. This story follows the fortunes of several people as they struggle to survive the tribulations only to find their future decided for them as they face a power even greater than the builders.