Police grill an older man when a young schoolgirl goes missing, the net begins to close on a 54-year-old unemployed labourer and the sad case of 83-year-old grandmother Melvie who vanishes after catching a train.
A postie leaves for his morning shift and never returns, hotel security footage holds clues to the identity of a nomadic traveller and a tragic twist in the case of a missing 98-year-old.
Police fear the worst when an abandoned car is found at a remote cliff face, a single mum disappears leaving her young daughter behind and a refugee troubled by memories of the war in Bosnia fails to return home.
Police fear the worst after a fragile 80-year-old grandmother fails to return home, a young mum takes off leaving everything behind and a desperate son continues the search for his mum 16 years on.