Six children leave the comfort of their homes. They are drawn to coldharbour - an eerie wasteland of wind, rats, seagulls and rubbish tips. Emily and freda, the twins, scuttle bright eyed and insect-like in search of the...Six children leave the comfort of their homes. They are drawn to coldharbour - an eerie wasteland of wind, rats, seagulls and rubbish tips. Emily and freda, the twins, scuttle bright eyed and insect-like in search of the others. They find thomas on a food tip.