it's clear that some of the victims when they're chained are not being faken to the bathroom to relieves. >> investigators say the children were not allowed to play but were allowed to keep journals. >> my guess is that's going to be powerful evidence in the journals what was happening in that house. >> in court yesterday david and louise turpin pleaded not guilty to 75 counts including torture, child endangerment and false imprisonment. investigators say only the two-year-old child appears to have escaped the abuse. the couple is being held on $12 million bail each. elizabeth says she hasn't seen the children in more than a decade. she didn't know what was going on until she saw the news. >> somebody posted the link on my facebook and said is this your sicko sister. my initial response was oh, my god and i broke down. i knew my sister was different from us but i would have never, ever imagined this, ever. >> and for the 13 siblings who investigators say have already endured so much, a long, arduous road to recovery still lies ahead. stay with us. having mplaque psoriasise is not always