Help with Knights of the old republic 2

[muhammad]

guys i am stuck on the f----- telos frozen plateau level , After you crash land on the surface you destroy the droids that come to attack you , After that you go through a elevator , Now the thing is you meet another JEDI who refuses to give you your light saber back , Ok , and she asks you to take your captured friends and your ship and get the hell of the planet.

The only think is WHERE THE HELL ARE THE OTHER CAPTURED TEAM MATES , the handmaidens keep saying they are in the irrigation chamber , Where is the chamber , i have searched everywhere for it ,......There are no chambers just a prision compound with no one in there also .

Please helppp as i am unable to continue the game..

thanks