DS Mary Jane "MJ" Croft (Pauline Quirke, Broadchurch) and her team at the Dover Missing Persons Unit work to solve more disappearances in Series 2 of this gripping police drama. Cases include a child abduction, the disappearance of a girl who was in foster care, a man leading a double life, a suicidal fiancé, a runaway teenage nanny, and the possible return of a child missing for years.