Isabella is shocked when her parents book her passage on the incredible Titanic and inform her that she'll be sailing by herself. She is given an envelope and told the contents will explain everything, but she is forbidden from opening it until the boat reaches the U.S.
Lucille is worried over her mother's poor health, and her father is always distracted, never around. Left to her own devices, Lucille discovers some dangerous secrets that could tear her family apart.

Abby is desperate. She's all her little brother has in the world, and her only hope is start a new life in New York. But the only way to do that is to smuggle her little brother aboard the Titanic and hope they can last the week without him getting caught.

Three girls, three different classes on the ship, yet their pasts and futures are more intertwined than they know — and their lives are about to be forever changed over the course of the Titanic's maiden voyage. That is, if they don't all drown in secrets first.