But these girls aren't cheap labour, they're people
I know I'm to blame
Between us we drove that girl to commit suicide
"We really must stop these silly pretences."
Sheila urges her family to confront the truth rather than hiding behind facades of respectability and social status.
"Why - you fool - he knows."
Sheila confronts her mother's attempts to deceive the Inspector, recognizing his awareness and the inevitability of their secrets being revealed, symbolizing her newfound clarity and maturity.
