Once Upon a Time... This Morning (1995)

Plot

A middle-class couple faces separation, leaving their three children in the care of a demanding and bitter mother. Longing for their father, the kids decide to escape and set out on a quest to find him. However, their adventure takes an unexpected turn when they discover that the baby’s carry-cot holds a stash of pure heroin, inadvertently hidden there by a street kid during a chaotic police raid. As they navigate their way through this perilous situation, the children's innocence is tested in ways they never imagined.