Master Yo decides that it is time to instruct Yin and Yang to learn how to block their minds from getting mind-read by Ella Mental, but Yang has an impossible time learning how to do it. And when Master Yo says that he needs Yin's and Yang's help in collecting a secret 'weapon' that can defeat Eradicus, can Yang possibly stop Ella Mental from discovering this plan and beat Ella Mental at her own game?
