changed the course of two families, and a closely held secret about emily's life was about to become very public. we return to josh mankiewicz with "the quiet one." >> this should have been a routine night at home in small town usa, boone, iowa. instead, alex fazzino was telling a 911 operator how he just pulled his wife emily out of the bathtub. >> please! honey, wake up. wake up! >> it got worse. the kids wandered in and saw their mother on the bathroom floor. >> guys, go away. kids. please. please. >> on the tape, you don't sound like you think there's much hope of reviving her. >> me personally reviving her, no, i didn't. >> you don't know cpr? >> no. >> but with the operator's help, alex tried. >> tilt her head back. >> okay. >> did you do that? >> yeah.