April 20, 1999 Columbine High School was under attack by Eric Harris and Dylan Klebold. Sue Klebold, Dylan's mother, attempts to reconcile how the son she thought she knew, the son she loved could willingly be a school shooter. "If love could have stopped Columbine," she says, "Columbine would never have happened." What would real prevention look like? Is it possible? Is America ready?