The Zach Loud Movie begins when Lincoln, Lori, Leni, Luna, Luan, Lola, Lana, Lynn, Lucy, Lisa, Lily, Rita, and Lynn Sr are planning a surprise family trip to Mexico as one of Zach's birthday present present and plans, he is determined to prove he's old enough to do his own thing – even if it means meeting magical fairies from Ferngully, new friends, and confronting an ancient preteen demigoddess whose angst has apocalyptic potential!