DI Colette Cunningham's no nonsense approach to policing has earned her the respect of her Merseyside Police colleagues. She seems unflappable, until she gets a call from the Garda in Dublin after the body of a young woman is discovered.

• Paula Malcomson
• Abby Fitz
• Evan O'Connor
• Moe Dunford
• Thaddea Graham
• Keith McErlean
• Siobhán McSweeney
• Scott Graham