Crossing the line

An icy chill is descending on Manchester as a sinister masked attacker haunts the city. Newly-promoted Detective Inspector Jessica Daniel is facing new challenges, professional - and personal. Top of the list is to catch the person who is stirring up memories of the notorious Stretford Slasher. With a police force at full stretch and a caseload stacking up, Jessica's priorities change as she comes close to the edge of what even she could consider...