but 34-year-old olli kligman is optimistic about his future.mon shoe factory. >> translator: it's a privilege to work here. >> he's serving two and a half years for drug dealing and domestic violence against his girlfriend. >> oleg arrived in the community very much afraid, with no confidence. he only knew violence and how to react being violent. he had no way of expressing his feelings. he didn't even know how to describe what he felt. he was kind of -- i'd say very hollow inside. a lost soul. ♪ >> kligman says his therapy at hermon helped him rediscover the one thing he did love. >> translator: you could say that every moment with a guitar for me is a joy. a holiday. i don't know. i think that it's medicine for the soul. and i'll have it for the rest of my life. i've discovered my feelings. when i came here, i was like ice. nothing moved me. today, today it's a new world. that's because of this place. and because of the group and the counselors and everyone. they save lives here. >>> due to mature subject matter, viewer discretion is advised.