Can't do this

Bellatrix Lestrange:
[to Narcissa]
Cissy, can't do this! He can't be trusted!

Transcript:
Cissy! You can't do this!
He can't be trusted!
The Dark Lord trusts him.
- The Dark Lord's mistaken.
- Pfft.

Clip duration: 14 seconds
Views: 59
Movie: Harry Potter and the Half Blood Prince
Year: 2009
Genres: action, adventure, family, fantasy, mystery
Summary: As Harry Potter begins his sixth year at Hogwarts, he discovers an old book marked as "the property of the Half-Blood Prince" and begins to learn more about Lord Voldemort's dark past.