Whisked from her troubled, solitary life to a spaceship centuries in the future, the young widow and musician Riss Waldon must first figure out how she got there, and then if it's possible to get home. Before long, she is visiting strange and deadly planets and meeting new alien races, and forming friendships with the crew. Even as they strive to discover a way for her to return, she wonders if it possible to step out of the shadows of her past life and stay here. But when the well-being of the entire crew rests on her shoulders, she isn't sure she's up to the task. What if she fails them? All she can do is try ...