Unforgotten will return for a fifth series, ITV has announced.
Warning: Spoilers from series 4 of Unforgotten follow!
The award-winning drama returned in February with its fourth season which charted a fresh investigation into another emotionally-charged cold case murder.
The show came to a dramatic end on Monday night with the death of DCI Cassie Stuart, played by Nicola Walker.
Will Unforgotten return for series five?
ITV has confirmed that Unforgotten WILL return for a fifth series with DI Sunny Khan (Sanjeev Bhaskar) joined by a new partner in crime.
ITV said: "ITV would like to thank Nicola Walker for playing the brilliant role of Cassie Stuart in four series of Unforgotten which has become one of the best loved and most critically acclaimed police dramas on TV.
"Nicola and writer Chris Lang decided that Cassie's story would come to an end last night, but that Unforgotten would continue, in series 5, with a new case, and a new 'Partner in Crime' for DI Sunny Khan.
"This fourth series has had a record breaking season posting its highest viewing figures. For episodes 1-5 the series has averaged 7.5 million viewers based on seven day consolidated data, which is up by 1.6m viewers and 26% on the last series.
"The audience for the launch episode stands at 9.5m viewers after 28 days, across all platforms and repeats, up from the overnight audience by a massive 4.4million viewers."
Watch Unforgotten on TV and online
Unforgotten series 4 premiered on ITV on Monday, 22 February at 9PM. Episodes will continue on TV weekly.
As well as watching on TV, you can watch episodes online and catch up via the ITV Hub here where series 3 is also available.
You can also watch series 1-3 of Unforgotten online via BritBox UK here.
What happens in Unforgotten series 4?
The fourth series of Unforgotten opens with the grim discovery of a dismembered body in a scrap metal yard, which the team believe has been stored in a domestic freezer for thirty years.
A unique Millwall Football Club tattoo leads to the victim being identified as Matthew Walsh, a young man in his mid-twenties who went missing in March 1990.
The plot follows the investigation as the team attempt to find out what happened to Matthew.
Meanwhile, Cassie also faces difficult times at home with her personal life.