The Bliss of Mrs. Blossom

Harriet begins the affair because she feels neglected by her husband Robert, who spends all his time at the bra factory. As a romantic-minded painter, she craves emotional connection and excitement. When Ambrose Tuttle shares his tragic backstory of being an orphan with no family, Harriet feels a deep emotional pull toward him, sparking a romantic connection she has been missing in her marriage.

The film establishes Harriet's imaginative and romantic nature early on, showing she needs more than Robert's workaholic routine can provide.

Ambrose comes to repair Harriet's sewing machine and shares his orphan backstory, creating an emotional bond with Harriet. When Robert returns home unexpectedly, Harriet hides Ambrose in the attic and tells him to leave that night. However, Ambrose is so enchanted by Harriet and the prospect of having a real home that he decides to stay hidden in the attic indefinitely.

Robert never discovers Ambrose because Harriet manipulates him into questioning his own sanity. When Robert hears strange noises from the attic, Harriet convinces him they are imaginary, preying on his already fragile mental state from working too hard. Robert's tendency to conduct imaginary orchestras also makes him doubt his own perceptions, allowing Harriet's deception to continue for years.

Robert's secret passion for conducting imaginary orchestras establishes his disconnection from reality early in the film.

Detective Dylan becomes convinced of murder because Ambrose disappears after being sent to the Blossom home, and Harriet's suspicious behavior raises red flags. When Dylan catches Harriet with a disguised Ambrose calling himself 'Juan' and claiming to be her half-brother, his suspicions intensify. He theorizes that Harriet and her supposed half-brother murdered the real repairman and hid the body in the attic.

Dylan notices Harriet's nervous denials and inconsistencies during his interrogations, which fuel his murder theory.

Ambrose helps Robert's business because he develops genuine feelings of guilt toward both Harriet and Robert. Using the education Harriet provides through Teach Yourself books, Ambrose offers Robert advice on business diversification. This guidance leads to tremendous wealth for Robert, allowing him to retire early and pursue his true passion for music. Ambrose's help is partly an attempt to ease his conscience for causing emotional turmoil in the household.

Harriet furnishes Ambrose with educational books early in their affair, foreshadowing his eventual intellectual growth and contribution.

Robert gives his business to Harriet and Ambrose as a wedding gift because he has achieved wealth beyond his dreams through Ambrose's advice and now wants to pursue his true passion for music. Rather than holding onto the business he no longer needs, Robert generously transfers it to the couple so they can continue their life together while he focuses on composing and performing. The arrangement allows all three characters to achieve their desires.

Robert's secret dream of being a musician is established at the beginning, making his choice to retire for music logically consistent.

The ending shows an unconventional but harmonious arrangement where all three characters find fulfillment. Harriet and Ambrose receive the business as a wedding gift and continue their relationship openly. Robert, now free from work demands, pursues music full-time. The final scene shows Robert rising from the basement (where he apparently now lives and composes) in a mod outfit, and the trio shares a renewed embrace, suggesting a strange but happy coexistence built on honesty and mutual respect.

Harriet invents the half-brother story when Detective Dylan catches her with Ambrose in disguise. After Dylan witnesses 'Juan' (the disguised Ambrose) at the house, Harriet quickly claims he is her half-brother named Juan to explain his presence and deflect suspicion. This lie evolves into Dylan's murder theory, as he becomes convinced Harriet killed the real repairman with help from her fictional half-brother.

Ambrose's earlier disguise as 'Juan' when briefly leaving the attic plants the seed for this deception.

Robert's mental state deteriorates because he hears unexplained noises in the attic and Harriet convinces him they are figments of his imagination. His exhaustion from overwork and his secret guilt about neglecting Harriet make him vulnerable to doubt. However, his recovery comes when Ambrose's business advice brings sudden wealth, freeing him from financial stress and allowing him to retire and focus on music, the passion he has always suppressed.

Robert's dual life as factory boss and would-be musician establishes the tension that fuels his breakdown and eventual liberation.

Harriet educates Ambrose because she wants him to become a better partner and to prepare for a future together. She transforms the attic into a living space and provides books so Ambrose can learn and grow intellectually, opportunities he never had as an orphan. This education ultimately enables Ambrose to contribute meaningfully to Robert's business, creating the wealth that allows all three characters to pursue their desires.

The film explicitly shows Harriet furnishing the attic with books, indicating her long-term plans for Ambrose.