Haruto's old grade school teacher is looking for his son's memento, an airplane. To make things interesting, he is the Gate of this story arc! In addition to that, Haruto still doesn't have the guts to tell Koyomi that his father is no other than Fueki aka the White Wizard.
The episode feels a bit average even though it revealed a lot of new things to some characters. First is the fact that the guys in the donut shop now know that Haruto is a Kamen Rider and second is that Haruto doesn't have the guts to tell Koyomi the truth that he knows her father. In short, nothing much when it comes to the main plot happened in this episode. As for the Gate of the arc, the only thing interesting about him is that he is Haruto's former grade school teacher and assumed back then that Haruto wanted to commit suicide.
Finally, the fights in this episode are seriously great. I just loved that they explored a lot when it comes to the use of Kamen Rider Wizard's elemental forms. I love how they use Land Style in this episode that I wish they will expand in it later episodes. I guess they can do massive form changes now that they are not promoting new toys. As for Beast's fight in this episode, it's not worth talking about.
At the end of the episode, Haruto ends up following the White Wizard's familiar only for it to disappear, and back in the antique shop; Koyomi's body is cracking up. The question is why she is cracking up and to make matters worse, there is no one to provide mana for her! Can Haruto arrive just in time to provide her enough mana even though he provided her some of it earlier in this episode?