Following Ash's victory at the Nimbasa Gym, Ash, Iris, and Cilan decide to do some sight seeing in Nimbasa City. However, Cilan quickly becomes distracted by a stamp rally. If one can collect all the stamps, they will get a chance to battle the Subway Bosses, Ingo and Emmet. While collecting the stamps, Cilan meets Erina who has lost her Axew. Cilan decides to help her find it. Meanwhile, Ash and Iris find Erina's Axew and try to find her owner.