In the Ocean of Time, there is a lost island—a wild, inhospitable place from which there is no escape. Ulysses Moore would never want to return there, but he has no choice, because that’s where the key is, the one that will help find Penelope.
Ulysses Moore doesn’t yet know that a whole chain of events is already unfolding—and that, seeking revenge, his most dangerous enemy is returning from the past.
The moment has come when the traveling dreamers will have to face a decisive test.