Overview:Stella suddenly finds herself on a road trip with Dr. Grant and Sadie to help get Sadie into a clinical trial. While Stella is away, Wes gets a call from his ex about a job opportunity. Peter and Aiden try to find a new normal between them, and Aiden discovers an unexpected new friend. Meanwhile, Lizzie and Diego learn that their son is being bullied at school, which brings out a new side of Diego.