Movies: Missing parent

The history of Platypus Duck, the oldest surviving mammal (And a mixed-up one at that...), and a quest of one such Platypus Duck and his kids to rescue his wife after she gets swept away in a flood to Sydney....

A young engineer's dream of becoming a fighter pilot for the Royal Moroccan Air Force is put on hold until he unravels the mystery of his missing parents....

A young woman discovers a hidden, locked door in her family home as she searches for her missing father....

How do three brothers change when their parents inexplicably disappear?...