"Penobscot Indian Molly Ayer is close to 'aging out' out of the foster care system. A community service position helping an elderly woman clean out her home is the only thing keeping Molly out of juvie and worse.... As she helps Vivian sort through her possessions and memories, Molly learns that she and Vivian aren't as different as they seem to be. A young Irish immigrant orphaned in New York City, Vivian was put on a train to the Midwest with hundreds...

Montana 1925: An Irish boy orphaned by Spanish flu, a tiny girl who won't speak, and a volatile young man who lies about his age to escape Hell's Kitchen, are paraded on train platforms across the Midwest to work-worn folks. They journey countless miles, racing the sun westward. Before they reach the last rejection and stop, the oldest, Charles, comes up with a daring plan, and alone, they set off toward the Yellowstone River and grassy mountains...

In the late 1800s, Marianne travels westward on the Orphan Train in hopes of being placed with a caring family.