Episode 1 - Kauffman and McMahan

Tragedy strikes rural Iowa as two women are found murdered in their homes. When a local bank is robbed the same day, investigators connect the crimes to an unfolding crime spree and race to find the killer siblings before they can strike again.

Episode 2 - Kimbles

A peaceful town is rocked by the murder of the young wife of a preacher’s son. The investigation leads detectives toward two brothers: one with a deadly ambition, and the other willing to do anything to earn his brother’s love.

Episode 3 - Engels

When the body of a young woman is found in a burnt out station wagon, investigators unravel a deadly plot that leads back to a shattered marriage and two self-made millionaire brothers who feel entitled to do anything to anyone.

Episode 4 - Merricks

A brutal double-homicide in a small Ohio town leads police to a family member with a grudge. Simmering tension over $400 leads two brothers to spiral out of control. Investigators must pit brother against brother to get to the truth of what happened.

Episode 5 - Allridges

Episode 6 - Galvan-Cernas

A home invasion by masked gunmen leads to the murder of a doctor trying to protect his family. When investigators track down three brothers, they discover the kidnapping plot gone wrong was masterminded from within the doctor's own trusted circle.

Episode 7 - Dennys

Within 24 hours, a rural community in Georgia is rocked by two double-homicides, including a beloved dairy farmer and his son. With few suspects, a precious piece of evidence eventually leads detectives to two brothers with a lifelong bond of crime.

Episode 8 - Homicks And Woodmans

When a wealthy businessman and his wife are brutally gunned down, detectives discover a family torn apart by resentment and greed, and uncover a murder plot between the couple's sons and a second set of brothers hired to pull the trigger.

Episode 9 - Matting & Smith

A husband is savagely murdered outside his home in suburban Memphis. Investigators discover multiple extramarital affairs, which leads them to the wife's secret-life, an insurance policy and a brother willing to do anything for his baby sister.

Episode 10 - Freemans

Teen brothers rebel against their strict upbringing and become skinheads, and when their mother, father and younger brother are discovered murdered in their home, police begin a manhunt that leads them across three states.

Episode 11 - Pratt

A home invasion starts a massive manhunt for two bank-robbing brothers through the remote, snowy wilderness of Northern Idaho. The survivalist brothers, who once helped catch a notorious Soviet spy, evade police in a gun battle that ends in murder.