Iain is stunned when former registrar Samantha Nicholls shows up the ambulance station ready for her first day as a paramedic. The pair struggle to adjust to their new working relationship, any questions Iain has are put out of mind when he and his new partner are called to rescue a shifty woman from a car crash. Meanwhile, back at the ED, Alicia decides to play matchmaker for Jacob and Elle as they work together to care for fun-loving elderly couple Iona and Margie.