The Zach Loud Movie begins when “After a surprise family trip to Mexico derails Zach's birthday plans, she is determined to prove she's old enough to do her own thing – even if it means meeting new friends like fairies like Crysta and Pips, DC characters like Harley Quinn and Poison Ivy, and Borrowers like Arrietty, and confronting an ancient preteen demigoddess whose angst has apocalyptic potential!”