Fingernails (2023) Characters, Setting & Themes Explained

The Love Institute is a mysterious research facility that conducts relationship-strengthening exercises for couples through a controlled program and a fingernail-based test. It functions as a clinical lab for modern romance, profiling couples and pushing them to reveal the authenticity of their feelings. The setting is clinical and charged with tension between scientific measurement and human connection.

• love institute
• relationship facility
• couples
• testing

The film takes place primarily at the Love Institute, a relationship research facility that serves as both a clinical laboratory and a controlled environment for testing couples. The institute's setting emphasizes the contrast between scientific methodology and organic human emotion, creating an unsettling atmosphere where love is treated as measurable data.

• setting
• location
• love institute
• lab

Fingernails is set in contemporary times with a modern setting. The Love Institute appears to be a cutting-edge, one-year-old company using advanced technology for relationship testing. There is no specific historical era mentioned, suggesting the story exists in a near-future or current-day world where such experimental relationship science could plausibly exist.

• time period
• contemporary
• modern
• setting

The fingernail test is a central experiment at the Love Institute that claims to measure the authenticity of love between couples. It frames love as measurable data, driving couples apart or together based on test results. The method reveals how desire and commitment can be distorted by a clinical instrument, raising questions about whether truth comes from science or from the heart.

• fingernail test
• love test
• relationship experiment
• science

Fingernails explores three core themes: Tests and Love, which examines whether love can be measured scientifically; Heartbreak, showing how test results can fracture relationships when people fear loss or betrayal; and Ambiguity, portraying how the line between professional duty and personal desire becomes blurred. The film questions whether true connection can be quantified by a test.

• themes
• love
• tests
• heartbreak
• ambiguity
• meaning

Anna (played by Jessie Buckley) is an unemployed schoolteacher who becomes an instructor at the Love Institute. She initially hides her new job from her boyfriend Ryan and secretly experiments with the tests to probe her own relationship. As she grows closer to fellow instructor Amir, she faces moral tension between professional duties and personal feelings, revealing how love can be measured and contested by data.

• anna
• jessie buckley
• protagonist
• instructor

Amir (played by Riz Ahmed) is a fellow Love Institute instructor who guides clients through relationship exercises. He has a girlfriend, Natasha, who has also passed the fingernail test, but his growing feelings for Anna blur the line between work and romance. He displays vulnerability by engaging in the tests, even ripping out his own fingernail to comfort a client, ultimately deciding he and Anna should not be together to obey the test's results.

• amir
• riz ahmed
• instructor
• love triangle

Ryan (played by Jeremy Allen White) is Anna's boyfriend who becomes a test subject in the Love Institute's program. Initially unaware of the full scope of Anna's job, he participates in the couple's retesting process. The couple passes the test, suggesting renewed commitment, though their relationship is strained by the Institute's methods and the moral questions raised about trust and authenticity.

• ryan
• jeremy allen white
• boyfriend
• test subject

Duncan (played by Luke Wilson) is the founder of the Love Institute, a pragmatic entrepreneur convinced that relationship experiments can yield reliable truths about love. He defends the program, pushes for further research, and challenges Anna's findings when she questions the possibility of contradictory test results, raising doubts about whether the test truly measures authentic connection.

• duncan
• luke wilson
• founder
• love institute owner

Fingernails presents love as something that cannot be reliably measured by scientific instruments. The film portrays the fingernail test as a force that can distort desire and commitment, leaving characters uncertain about what love really requires. It explores how the fear of test results can lead to heartbreak and lonely choices, ultimately suggesting that authentic connection may transcend clinical measurement.

• love
• meaning
• message
• interpretation
• theme

Fingernails blends drama, romance, and sci-fi elements. While its primary focus is on relationships and emotional drama, the science-fiction aspect comes from the fictional fingernail test technology, a speculative relationship measurement device that doesn't exist in reality. The sci-fi framework allows the film to explore philosophical questions about love through a speculative, almost dystopian lens.

• sci-fi
• genre
• science fiction
• romance
• drama

Fingernails has a melancholic, restrained tone dominated by quiet sadness and longing. The film emphasizes atmospheric tension and internal reflection over rapid plot development. While there are moments of emotional intensity around the love test dilemma, the overall execution remains character-focused rather than overtly dramatic, creating a bittersweet atmosphere throughout.

• tone
• mood
• melancholy
• atmosphere
• emotional