Being the "other woman" is a lonely life. Some turn rejection into rage. A call girl craved the high life, a teen mom eradicated her rival, and a lesbian love affair ripped a family apart. These Deadly Women refused to play Second Best.

Some women need to dominate, even if they have to kill. An Iowa divorcee stages a home invasion; Jealousy and alcohol prove a lethal mix for for a UK mom; and a drug kingpin won't let anyone stand in her way. These Deadly Women are as "Cold as Ice".