MedStar II : Jedi Healer " " is the second book of the MedStar Duology written by Michael Reaves and Steve Perry that takes place during the middle of the Clone Wars , approximately two years after the First Battle of Geonosis . It follows the story of a Medical Doctor named Jos Vondar , and his Rimsoo 7 ( Republic Mobile Surgical Unit ) on the planet Drongar . The book is part of the Clone Wars multimedia project . Publisher ' s summary . While the Clone Wars wreak havoc throughout the galaxy , the situation on the far world of Drongar is desperate , as Republic forces engage in a fierce fight with the Separatists … . " The threatened enemy offensive begins as the Separatists employ legions of droids in their attack . Even with reinforcements , the flesh and blood of the Republic forces are just no match for battle droids ' durasteel . Nowhere is this point more painfully clear than in the steaming Jasserak jungle , where the doctors and nurses of a small med unit face an impossible situation . As the dead and wounded start to pile up , surgeons Jos Vondar and Kornell " Uli " Divini know that time is running out . " " Even the Jedi abilities of Padawan Barriss Offee have been stretched to the limit . Ahead lies a test for Barriss that could very well lead to her death — and that of countless others . The conflict is growing — and for this obscure mobile med unit , there ' s only one resolution . Shocking , bold , unprecedented , it ' s the only option Jos and his colleagues really have . The unthinkable has become the inevitable . Whether it kills them or not remains to be seen . " Plot summary . Starting approximately one week after " , " this novel continues the story of Barriss Offee , Jos Vondar , Tolk le Trene , Klo Merit , I - 5YQ , Den Dhur and Kaird the Nedij during their stay on the planet Drongar over the Republic and Separatists ' war for bota over the planet . Dr . Vondar is still wallowing in grief over the loss of his late friend Zan Yant , even as Zan is replaced by the adolescent surgeon , Kornell " Uli " Divini , who takes a liking toward Barriss , who does not reciprocate his interests because of the Jedi Order ' s ban of attachments . Kaird succeeds in his operations on Drongar for the Separatists and Black Sun ' s interests and leaves . Meanwhile , the spy , who is also working for the Separatists and Black Sun , continues his duties of sabotaging the Republic Rimsoos . Barriss nearly falls to the dark side when she takes bota to heal herself , but rejects it at the last second . She then uses her Force powers to locate who the spy is , and finds the culprit in Klo Merit . Dr . Vondar confronts him with a blaster and kills Merit , avenging Zan ' s death . The Republic and the Separatists leave Drongar when they figure out that the drug has mutated into a useless weed , but its effects in enhancing one ' s Force abilities to the point of the dark side , such as from Barriss ' s case , still lives on unbeknownst to the Republic or Separatists . I - 5YQ and Den Dhur depart for Coruscant to fulfill the late Lorn Pavan ' s wishes to look after his son , Jax , just as I - Five believes he has gained sentience . Barriss returns to the planet as a Jedi Knight . Cover gallery . This is a gallery of the cover variations of " Medstar II : Jedi Healer " .