Thirteen years ago, the Banks, Stillwater, and Gray families found themselves locked in a drug-inspired, murderous train. In a night of grim death, three parents are ripped from their children. Now, when the Banks family returns to St. Louis, Silas inspires a search for answers. His father in shambles and his sister wrapped around Mason Stillwater's manipulative finger, Silas and Cressida begin to uncover why their parents died and who they must blame. As the answer arrives, a spiraling revenge plot threatens to reincite a thirteen-year conflict. Not only must they fight against each other and their pasts, but they must fight to keep what family they have left.