After facing their first battle, the remaining mountain cats must seek the Blazing Star in order to survive a new threat: a deadly disease sweeping through their territory.

Sophie Foster is on the run - but at least she's not alone. Her closest friends from the Lost Cities have gone with her to join the Black Swan. They still have doubts about the shadowy organization, but the only way to find answers is to start working with them. As they settle into their new lives, they uncover secrets far bigger than anything they'd imagined. But their enemies are far from done, unleashing a terrifying plague that threatens the safety...

When a scrappy alley cat named Aldwyn passes himself off as a magical animal companion to Jack, a young wizard in training, Aldwyn and his fellow "familiars," a know-it-all blue jay and bumbling tree frog, must save the kingdom after the evil queen of Vastia kidnaps Jack and two other wizards.

As Dovepaw, Jayfeather, and Lionblaze strive to understand and fulfill the prophecy that promises them great power, the cats of the Dark Forest begin to teach battle skills and techniques to different Clan cats through dreams.

Despite the peace of the forest, strange visions drive a young WindClan cat named Moth Flight to leave her home on a journey that will change the future of the new warrior Clans forever.

A latest entry in the prequel story arc reveals new details about the history of the warrior cats and follows the efforts of Clear Sky to violently divide the territories of the forest cats in spite of Gray Wing's efforts to promote peace.

Although an orphan, Earwig has always enjoyed living at St. Morwald's, where she manages to make everyone do her bidding, but when she is taken in by a foster parents who are actually a witch and a demon, she has a hard time trying to turn the situation to her advantage.

Bluestar, a warrior of ThunderClan, struggles under the weight of a prophecy that promises her glory as Clan leader, but also spells out her ultimate demise.

When Lionblaze discovers that his apprentice Dovepaw can see events happening far away, he organizes a patrol to investigate a vision about the river. Includes adventure game based on the series.

"After countless moons of treachery, Tigerstar's Dark Forest apprentices are ready to lay siege upon the warrior Clans. As Jayfeather, Dovewing, and Lionblaze prepare to lead their Clanmates into battle, they await the arrival of the mysterious fourth warrior who is prophesied to help lead the Clans to glory." Publisher's description.