The Redwallers face some of their most dangerous villains yet in a treacherous hunt for long-lost treasure.

Following a dream, the young ottermaid Tiria travels from Redwall to the Green Isle, where otters have long been enslaved by feral cats but fight back as they await the High Rhulain, a savior whose coming was foretold.

Worried about his daughter Mariel, Joseph the Bellmaker is led by a dream from Redwall Abbey to Southsward, where he is caught up in the battle between Squirrelking Gael and the vicious Foxwolf Nagru.

Tansy, a young hedgehog living at Redwall Abbey, attempts to solve the riddle of the missing pearls while at the same time the evil marten, Mad Eyes, desires them for himself.

When Martin the Warrior leaves Redwall Abbey and embarks upon a journey to the place of his birth, he learns about the brave and noble deeds of his father Luke, a real Warrior Chieftain.