Good news for Scott leaves Ruth feeling abandoned; they say that if you love someone you should let them go, but can Ruth face her fears of being alone to give her friend the support he needs? Meanwhile, Ewan and Amber's secret is dangerously close to coming to light, and Lydia is forced to take matters into her own hands to protect her kids from prosecution. And a setback at work leads Iona to doubt her abilities. Can she overcome her insecurities and prove herself to the only person she cares about impressing, her sister?