 On 9 March 2019, it was confirmed that Lambert would be departing the series after a year.Harley's exit is first broadcast on 11 March and sees her depart at the conclusion of her polyamorous relationship with Peri and Tom Cunningham (Ellis Hollins).Lambert expressed her gratitude for the role of Harley and on Harley's departure, she commented, "You didn’t honestly think she’d settle down did you?