brought together by the mysterious death of their master, Ken and Ryu must face a challenge unlike anything they have faced before.

Increasingly disturbed by dark powers building within him, Ryu is confused by Shun, a boy who claims to be his brother and who displays similar dark abilities. When Shun is kidnapped, Ryu must undertake the ultimate journey of self-discovery to rescue him. He must also learn to control the power threatening to completely consume him......