a few moments later , the door swings open . i step close enough to touch his shoulder . echo turns to the sound of my voice , and her eyelids flutter open . your father and i were once very close . `` but it 's the key to this whole thing . what if this man really wanted to do harm ? just weird that the two of you were gone on the same day . you 'd think i 'd handed them the keys to a treasure chest . '' 