The Runaway is the fourth TV series, adapted from a book by best-selling crime drama author Martina Cole.
This is the second time Kierston Wareing has starred in a crime-drama miniseries adaptation of a Martina Cole book.
Parents guide: Throughout the miniseries, there are many consensual sex scenes and some sexual violence, violent fights, bloody stabbings, shootings, bombings, drug use, profanity and child kidnapping.