S5, E1: Returning to Syndicate Nine after a year away on vice, Rachel needs a bit of time to navigate her position as acting DI and rekindle her neglected relationship with Janet. However, the shocking murder of Michael Edgerton forces her to hit the ground running and adjust to the inevitable changes as she goes. Glad of Rachel's return, Janet could not have known how much she was going to need her friend. However, it soon becomes clear that Syndicate Nine are dealing with something much bigger and more sinister than a single, indiscriminate murder.