Peregrine sets out to become a world-class private detective in her own right, guided by a group of exceptional women in The Adventuresses' Club, of which her aunt was also a member.

John Anderson in the The Wall Street Journal wrote that "the charismatic Geraldine Hakewill, as Peregrine Fisher, completely owns her show.

Fisher’s Modern Murder Mysteries” as satisfying as its original incarnation and keeps it away from the dreaded “cozy” label, redolent of teapots and elderly tabbies – is that beneath all the glamour is the undercurrent of how women with very little interest in the tedious social expectations of their time handle their systemic dismissal with verve.

[19] Also about Season 2, Anthony Morris of ScreenHub wrote "The latest Ms Fisher franchise is crafted with care and style to spare.

It's got a 60s sleuth you want to hang out with ... fans of mod murder will find much to enjoy as Peregrine embraces her role as an always fashionable P.I.."[20] The review aggregation website Rotten Tomatoes reports an 78% audience approval rating.