Watch Bittersweet for Free: How to Stream the Movie Online at 123Movies. . Ukrainian refugee Sofiy living in Edinburgh with a host couple Martin and Emilly becomes homeless when the couple who are struggling with the cost of living crisis is forced to 'kick' her out after six months of sheltering her in their study. Homeless and jobless, Sofiy finds a diamond ring in a public washing machine and her decision to do with the diamond ring becomes a life-changing move for her.