Summary Page - Should users be able to edit data on a summary page?

So, I'm working on this little project that has a task flow that includes a Summary page.

Here's the scenario:

User searches for something. Application displays results. User clicks on result. Application displays summary of result.

Option A User clicks field to edit. Application enables editable field. User clicks saves. Application saves. User clicks "back to results" Application displays results.

-OR-

Option B User clicks field to edit. Application displays editable page of result. User clicks saves. Application saves. Application displays results.

So, I'm wondering what everyone's thoughts are on having the summary page multi-task as a summary page AND a place to edit data VS taking the user to an editable page?

My gut says it's easier for the user to do it all on summary page but it seems to break the mental model.

Any thoughts?