Continuity: Lee makes a typo in the letter, spelling the word 'knowledge' incorrectly. However as she reads the same letter, we see the word 'illumination' is the word which has been misspelt.

Deliberate "mistake": Mr. Grey shows his secretary a letter that has a typo; she's apparently misspelled the word "knowledge." He then makes her read the letter aloud while he spanks her. However, the word "knowledge" is not in the letter she reads.

Continuity: Lee throws her sewing kit and case of cutting tools into the river, as they hit the water we see a brief shot of them floating. When the shot changes to below the water, however, both items are sinking rapidly.

Visible crew/equipment: When Tricia is waiting for Lee, she returns and says "I'm afraid he's gone." Then the phone rings, and as Lee walks over to it, a boom mike is reflected in the glass doors behind her.

Continuity: Just before he spanks her for the first time, he circles a letter that was misplaced in a word. Later, when he gets her to read the same letter, a whole word is circled.

Visible crew/equipment: When Lee holds her case of cutting tools and bag of iodine over the river, as the camera pulls back, the camera is clearly reflected in the plastic lid of her case.

Visible crew/equipment: As Tricia jumps on the brown jacket and says "tell him to sign the settlement," a crew-member wearing a cap is reflected in the glass screening to her right.