1. Chapter 1: Execution-Style Murder

In 1993, the execution-style killing of a Boston police officer sets off a frantic citywide search for suspects.

2. Chapter 2: Usual Suspects

Police home in on a suspect, a 19-year-old named Sean K. Ellis. Boston journalists and cops recall another murder case that fanned racial tensions.

3. Chapter 3: Three Trials

As Ellis and his lawyers recount his first jury trial, former jurors share their decision processes. A witness's statements are put to the test.

4. Chapter 4: Badge Of Shame

Journalists expose corruption in the Boston Police Department, inspiring Ellis to seek a new trial and perhaps a new lawyer.

6. Chapter 6: A Taste Of Freedom

Knowing it's his last chance, Ellis nervously prepares for a fourth murder trial. Also, an investigator searches for an old witness.

7. Chapter 7: Black Irish

As the voters of Suffolk County prepare to elect their next district attorney, Scapicchio digs into who funded the reward for Ellis' conviction.

8. Chapter 8: Worst Case Scenario

The election of a new district attorney gives Ellis reason to hope. Later, a hush-hush press conference puts everyone on edge.