Zeke asks you to help track down his sister Wanda, who went missing in the Crimson Mirelands.
The Request
Go to Jubilife Village and go into Galaxy Hall. Talk to Zeke. Ursaluna will learn Wanda's Scent.
Find Wanda
Wanda can be found in the southwest part of Gapejaw Bog in Crimson Mirelands. Talk to her to proceed.
Report to Zeke
Go to Jubilife Village and talk to Zeke in Galaxy Hall. You will get 3 Stardust.