The experience gave her the idea to write a movie script around a character who handled the same type of situation differently.

[6] Millie Lies Low had its world premiere at the COVID-delayed 2021 New Zealand International Film Festival.

[10] In The Guardian, Phil Hoad called Millie Lies Low a "shrewd and promising debut", reserving special praise for Ana Scotney's performance of the lead character.

[4] The movie received a mixed review in The New York Times, where Ben Kenigsberg also praised Scotney but criticised the film's plausibility, the screenplay's treatment of the consequences of Millie's actions.

[2] Tara Judah of Screen Daily similarly credited the performance of Scotney, whom she called a "standout talent", but also criticised the film for focusing too much on Millie, thereby leaving supporting characters and narrative threads unexplored.