During a big snow, Mr. Putter decides to write a mystery novel, but what he ends up with is entirely different.

Fireheart, the warrior cat, faces many challenges in his new role of ThunderClan deputy as his apprentice, Cloudpaw, resists following the warrior code, Bluestar weakens, and Tigerclaw continues to haunt the forest seeking revenge.

As a cold, harsh winter approaches, the cats from the mountains prepare to divide into several camps, requiring each cat to decide where his or her allegiances lie.

Tallpaw, a loyal WindClan apprentice, wants revenge for the death of his father. After earning his warrior name, Talltail, he leaves the WindClan behind and sets out on a dangerous quest for justice.

Grumpy Cat offers his grumpy advice for various situations in life.

Called by StarClan to fulfill a new prophecy, a group of young cats sets out on a long and dangerous journey, knowing only that trouble threatens the forest, as the adventures of the warrior clans continue.

"Our feline companions are much-loved but often mysterious. In The Inner Life of Cats, Thomas McNamee blends scientific reportage with engaging, illustrative anecdotes about his own beloved cat, Augusta, to explore and illuminate the secrets and enigmas of her kind"--

"As the new leader of ThunderClan, Bramblestar must prepare to weather a storm the likes of which the warrior Clans have never seen--and might not survive"--

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.