OP:
I assure you the details of the show are not important to me (save for the fact the possibilities of naked parkour they provide lol)
(im mostly looking for immortal angst)

Yeah I didn't really explain it very well in the comment (very annoyed at myself lol) . Their body just disappears, along with their clothes and such. So it disappears from the site of death (once they die) and then the person reappears in the closest body of water.