Watch The Loneliest Planet (2011) HD Full Movie Free on solarmovie.do. Watch The Loneliest Planet (2011) online free. An engaged couple's backpacking trip in the Caucasus Mountains is derailed by a single misstep that ...An engaged couple's backpacking trip in the Caucasus Mountains is derailed by a single misstep that threatens to undo everything the pair believed about each other and about themselves.