Seven-year-old Leo watches his comfortable domestic life dissolve overnight when his parents welcome an enigmatic newborn who behaves like a seasoned intelligence operative. The toddler commands specialized surveillance tech and monopolizes their parents' attention, convincing Leo that the baby is running a clandestine mission that endangers the household.
Determined to win back his parents' devotion, Leo infiltrates the infant's investigations, transforming their sibling rivalry into an unlikely tactical alliance. Armed with modified toys and a battered plush bunny, the mismatched pair team up to stop a megalomaniacal tech conglomerate from harvesting children's imaginative thoughts for digital control.
