Watch My One & Only (2019) HD Full Movie Free on SolarMovie. Watch My One & Only (2019) online free. The One," Stephanie (Hutton) and Oliver try to determine if they're fated to be together. Meanwhile,...The One," Stephanie (Hutton) and Oliver try to determine if they're fated to be together. Meanwhile, sparks fly between Stephanie and Alex (Page), the handsome ranch owner who acts as their guide.