Jamie Czerniawski, former Miss Teen New Jersey, is a single mother of two when she meets her husband Charlie, but the marriage deteriorates after Jamie appears on Wife Swap and Charlie discovers his wife's affair. After a confrontation, Jamie stabs Charlie, but claims self-defense and is not charged.

Donna Cobb was a single mother when she met her future husband Kevin Cobb. Soon after Kevin moves in, he becomes abusive towards Donna, but she stays with him, even after he goes to prison. Their relationship ends when she stabs him to death during a drunken argument, but Donna is acquitted due to self-defens

Nancy Bautista (Anderson) was a registered nurse and three-time divorcee when she met her husband, Dr. Michael Bautista. Seven years into their marriage, their relationship has deteriorated. Nancy stabs her husband with a butcher knife, puncturing his lung, but not killing him. She is serving 19 years for attempted murder.

Crystal Mangum is a stripper who became infamous in 2006 for claiming she was raped by three members of the Duke lacrosse team. Five years later, she meets boyfriend Reginald Daye, but after a drunken argument, Crystal stabs him, and he dies 10 days later. Crystal is serving 14 to 18 years in prison.

Sarah Saunders is married to Tommy Shackelford, but she insists that her relationship is controlling. She tries poisoning her husband, but when that attempt fails, Sarah resorts to stabbing her husband in the head with a fishing knife. She calls police and attempts to report the attack as a robbery, but Tommy survives and implicates her.

Lori McLuckie is pregnant with her ex-boyfriend Andrew Vigil's baby. After he harasses and rapes her, Lori is pushed to her breaking point. She chains Andrew to her radiator, stabs him to death, then dismembers his body. Overcome with guilt, Lori confesses her crime, and she is serving 40 years to life in prison for murder.