Distant Waves — Suzanne Weyn

Five sisters.
Five fates.

Chased by their pasts and drawn toward a more hopeful future, four sisters embark on the journey of their lives . .. aboard the Titanic. One is going to have her wedding (luring the voyage. Another has become involved in a feat of scientific intrigue that has the potential to alter the course of history. All of them feel out of place, and at least one of them will soon find herself out of time.