With Moonsilver the unicorn disguised in armor, young Heart Avamir, searching for her Gypsy friends, attempts to travel unnoticed through the crowds gathered for the crowning of a new lord.
The Time Soldiers are finally able to choose where they travel in time and decide to visit Edo, a city in ancient Japan. There they meet an old samurai who regrets losing a special helmet on the battlefield many years prior and go back in time to help recover it.
Katie, the Mustang, and the Kylers continue their journey west, joining forces with a traveling circus troupe, and making it as far as Fort Laramie where Katie discovers one of her letters to her Uncle Jack, undelivered.
Heart, a foundling who was discovered five years earlier wrapped in a unicorn-embroidered blanket, finds a pregnant white mare in the woods and struggles to keep her and her colt safe and well.
During the final hours aboard the Titanic on her ill-fated voyage in 1912, Gavin and Karolina attempt to help others and by so doing learn something about themselves.
When two young strangers meet by chance on the day of the 1906 San Francisco earthquake, they struggle to survive the terror of crumbling buildings, fire, looting, and chaos.
