New paramedic Ruby is pushed to her limits on her first day with Iain and Sam. She expertly revives an overdosed drug addict, who repays her by punching her in the face. Alicia struggles to work with Eddie and her angry outbursts increase, but she opens up when Bea confronts her with concerns about her behaviour. Elsewhere, it's the 70th anniversary of the NHS and Noel wants to celebrate with homemade stickers, while Sam apologises to Jacob for standing him up.