An Initiative citizen with an incurable disease has been awakened from stasis. Track her down and return her to stasis before the disease spreads.
You need to visit Kadara. You will receive this mission after reading the email "Please see me" from Capt. Dunn.
Ryder, please see me on the Hyperion deck to discuss a sensitive matter.
Dunn
1. Meet with Dunn on Hyperion's Habitation Deck


2. Speak with Harry in the cryo bay
Go to the cryo bay and talk to Dr. Carlyle.


3. Speak with an immigration officer in the docking area
Go to the docks and talk to Immigration Staff.

4. Search for Ruth Bekker's previous location
Turn on your scanner, search for Ruth Bekker's traces, and follow them. Or go directly to The Vortex bar, becouse the last trace is there - scan it.


Final trace is in the bar.

5. Gather information at the Vortex in the Nexus commons
Talk to the crew member.

6. Speak with Teron in Nexus Ops


7. Investigate the docking bay
Go back to the docks and talk to Samuel Francoeur.

8. Investigate the stolen shuttle's trail
Go to the Tempest.
Travel to Tecunis system. Search for anomaly (Radiation Trail), and scan it.


Travel to Zaubray system. Search for anomaly (Radiation Trail), and scan it.


Travel to Anasa system. Search for anomaly (Radiation Trail), and scan it.


Travel to Solminae system. Search for anomaly (Radiation Trail), and scan it.


9. Find the shuttle on Kadara
It crashed in the northern part of Kadara.

10. Investigate the crash site
Find an examine the Shuttle Cockpit Recorder.

11. Track Ruth Bekker
Scan the nearby footprints, run downhill, and scan another set of footprints.



12. Investigate the building

12.1. Defeat the Roekaar
Kill them all :-)
Ruth and the Roekaar leader are in the locked room on top of the building.

13. Unlock the door
Use the console located on the lower floor of the building.

14. Confront the Roekaar leader

The Roekaar leader could be infected so there is a chance that he can spread the infection further. You have to make a decision:
"Fine. Go. She stays." - leader will escape but Ruth will survive (she will be put back into cryo).
or
"Kill her, then I kill you." - both of them gonna die.