Season 4

Debbie Ashley, a pharmaceutical rep and newlywed, hopes her third marriage to a respected hospital executive will be forever. When her body turns up in the trunk of her car, police suspect gang involvement but a stunning confession bares dark secrets in Debbie's seemingly idyllic life.

Kind-hearted cashier Elizabeth Grosskopf scoops up human strays like puppies until one wants more than just food and shelter, but also her life.

19-year-old bright, aspiring architect Claudette Ficik charms every young man she meets, from coworkers at the pet store to classmates. When her body turns up in an Atlanta-area river, a shocking secret is revealed.

In 1982 in Lake Orion, MI, 27-year-old young divorcee Cindy Thompson reconnects with her high school sweetheart and, by 1983, she gets pregnant with his child. But someone wants to snuff out the couple's happiness, and Cindy's life.

When lifelong Long Islander Donna Bocklet announces she's leaving for Florida, it sends shockwaves through her close circle of friends and family, and ultimately ends in her murder.

The world knows about Laci Peterson and Chandra Levy, but what about the "other" Modesto girl, Dena Raley-McCluskey, whose sudden disappearance was no less shocking - and mysterious.

Church secretary Dorothy "Dot" Finelli, 59, goes missing and turns up dead, as police explore if she's killed by a jealous new Internet date or somebody she's known for years within her own family circle.

Julie Bowling stares down death every day as a cancer therapist at the hospital and part-time funeral home worker in Rocky Mount, NC. When she's killed in 2006 while her husband is out of town, the focus turns to his secret life and shaky finances.

In 2005, 23-year-old Suzy Goulart is just getting by like everybody else in the scrappy Pleasant View apartment complex in Fall River, MA, where little dramas between friends and lovers add up to Suzy's fiery murder.

In Middlebury, IN, Barbara Keim is juggling two ex-husbands, a young son, and a rebellious teenage daughter who has a questionable circle of friends. In August 2005, Barbara goes missing and her sisters fear the worst.