>> the integrate after ceremony is where your real journey begins. how do you bring it all together and make the changes that have come to you? >> how's it going, guys? >> we're here with a handful of participants who have put aside their lives in the u.s. for this five-day retreat. >> what i'd love to do today is get all your voices into this space, to save space. >> they hope magic mushrooms might bring them answers and healing. but taking this deeply personal journey is not cheap. it costs several thousand dollars, part of a burgeoning billion dollar industry that's now legal and soon avail...