Annie and Tim hire Gillian as a nanny, unaware that she'll soon be caring for an imaginary child named Maggie, created by Annie. As Gillian becomes part of the family, she starts to worry about Annie's sanity and the impact on the youngest child, Sam, who genuinely believes Maggie is real. Despite her concerns, Gillian becomes entangled in the family's charade, until she makes a shocking decision that threatens to disrupt their lives.
Invisible Child
A Londoner takes a job as a nanny, only to uncover a shocking secret: the mother believes she has an imaginary child named Maggie.