The final episode of Line of Duty is on Sunday at 9pm on BBC.
It's been a record-breaking season, with more than 15 million people tuning in mid-way through the series.
Dublin actress Amy deBhrún plays Stephanie Corbett, the widow of undercover cop John Corbett.
She spoke to Kieran about making the show during the pandemic, perfecting the Scouse accent, and her hopes for returning in season 7.
