Tomorrow and Tomorrow

Merrisara Winterwhite has you talk to Thradisar Starwise and herself, and then has you wait around for a day.

Summary
When speaking to Thradisar Starwise (aka, the Sharandar Merchant):

When then speaking to Merrisara Winterwhite:
 * Show me.
 * Goodbye.
 * What should I do now?

Now wait till the next day before talking to her again.
 * Of course.