Fire and Ice (Warriors)
The book ends with a battle against RiverClan and ShadowClan, who have allied in hopes of driving WindClan out again. ThunderClan fights on the side of WindClan. Fireheart is attacked by a RiverClan warrior named Leopardfur, and Tigerclaw doesn't help Fireheart. Fireheart later is unable to fight Silverstream, knowing how much she means to Graystripe. ThunderClan and WindClan win the battle. However, Tigerclaw and Fireheart are now suspicious of each other. Each one suspects the other of being a traitor.