This appears to be a of the web series Boston City of Dreams (likely a fan-made or indie title, as no major series by that exact name exists in mainstream databases — though City of Dreams is an Indian political thriller series on Hotstar, and Boston may refer to a location or spin-off).
It looks like you're referencing a file or folder name: HDMovies4u.Boston-City.of.Dreams.S03.E01-09.Web...