Bookworm follows Mildred (Nell Fisher), an 11-year-old girl whose life takes an unexpected turn when her estranged father, Strawn Wise (Elijah Wood), a failed Las Vegas illusionist, suddenly reappears. Years ago, after a magical encounter with the once-charming Strawn, Mildred’s mother moved back to New Zealand. Now, a comical mishap leaves Strawn caring for Mildred while her mother is hospitalized. Their first adventure? Camping to hunt the mythological Canterbury panther. As this mismatched duo navigates wilderness, magic tricks, and an extraordinary quest, hilarity ensues—and they just may find a way to put their family back together.