As usual, Yankumi was called for her students got involved with cops but this time in a positive way. The 3-D became heroes and for some reason, Yankumi gave so much attention of herself although she didn't participate in the hero thingy. Meanwhile, a proud father was giving so much attention to his son which made him mad and say hurtful words . The father passed away all of a sudden. The boy felt bad and put himself in trouble. On the other hand, while Yankumi is trying to help him, some curious reporters found about her deepest darkest secret...