After 11 years away from the police force to raise her family, DS Marcella Blackland finds herself back to work after her husband, Jason, tells her their marriage is over.
The last case before she left, that of the Grove Park Killer, has returned to haunt her and Marcella is determined to nail the prime suspect in the case. But no one on her new team believes he's the killer and her lone wolf approach soon alienates her colleagues.
As things start to take their toll on Marcella, are her personal life and her work life about clash dramatically?
Marcella, ITV, 9pm
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