Melissa talks to one of Mackenzie's classmates about her final day at school and then has a discussion with the writer of mysterious letter that was dropped off at the fire station.

In the season finale, Melissa digs into a purported confession, reviews the Murder Board, and Donald reads a letter he wrote to Mackenzie.

Melissa digs into the 2017 exhumation of Mackenzie's body.

Melissa digs into the lie detector tests given following the fire that took Mackenzie's life.

Melissa digs into the immediate events following the fire and continues her conversation with Sheriff Vernon Stanforth.

Melissa learns more about the incident that got Kenny banned from South Dakota.

Melissa digs into Mackenzie's final days leading up to the fire that took her life.

Melissa digs into William and Jamie, who were both in the home the night of the fire.

This episode is a revamp of Episode 02.05, in which Melissa interviews Fayette County Sheriff Vernon Stanforth. However, this time, Melissa has Donald interjects his thoughts as he listens to the episode. This is Part 2 of 2.

Melissa digs into Kenny's past of abusing children.