Innocence Lost (S04E10)

After suffering severe stomach pain that lands her in the hospital, 22-year-old Jamie Fraley fails to show up for a crucial appointment and subsequently vanishes without a trace. Friends and family believe she is eagerly anticipating the release of her boyfriend, Ricky Simonds Jr., with plans for marriage and a family. However, as investigators dig deeper, they discover that while Simonds Jr. is incarcerated, his father, Rick Simonds Sr., has become overly involved in Jamie's life. Given his violent history, authorities suspect that Simonds Jr. may play a role in her mysterious disappearance.