A subplot involving the theft of a Fabergé egg, "Nastya’s Egg," serves as a metaphor for fragility and the corruption hidden behind academic prestige. The egg is ultimately passed to Eve Thorne as a "new life," symbolizing a desperate hope for escape from a cycle of exploitation.

The episode draws heavily on the work of 17th-century painter Artemisia Gentileschi, particularly her depictions of Judith Beheading Holofernes and Jael and Sisera .

The episode's title, "Muse," refers to both the artistic inspirations for the murders and the women in Morse's life.

Joan's sudden reappearance in Oxford throws Morse into emotional turmoil, reopening wounds from his failed marriage proposal in the previous season.

In " Muse ," the first episode of Endeavour ’s fifth season, the series masterfully intertwines the aesthetic beauty of the arts with the grim reality of 1960s social change. Set in April 1968, the narrative follows a newly promoted DS Endeavour Morse as he navigates a complex web of high-end prostitution, academic arrogance, and a series of grisly murders inspired by classical art. The Intersection of Art and Vengeance