The first side quest you're likely to run into in Destiny 2: The Edge of Fate, Vessel of the Nine, is all about none other than Lodi and helping him get to grips with his situation. It's a brilliant story, but the actual quest steps leave a lot to be desired. Specifically, the objective markers seem to be even more broken than usual, causing it to be an unnecessarily confusing quest.
Most of the quest is relatively straightforward, but below, I'll go over the two main hurdles in Vessel of the Nine: the slime bodies and the final quest step. This is where the markers seem to mess up the most and give you little guidance.
