After a surprise family trip to Mexico derails Zach's birthday plans, he is determined to prove he’s old enough to do his own thing – even if it means meeting fairies like Crysta and Pips, a talking bat named Batty Koda, other humans like Zak Young, Budgie, Archie Andrews, Veronica Lodge, Betty Cooper, Ben Tennyson, Gwen Tennyson, and Max Tennyson. Lastly, confronting an ancient preteen demigoddess whose angst has apocalyptic potential!