1. Day 1

On her way to visit her grandfather, an attractive mother and her two children disappear, triggering a desperate search.

2. Day 3

Tops organizes a press conference where Matt learns his missing wife is pregnant. Hazel suspects her son Kyle may be involved.

3. Day 28

In the wake of a 28-day review, Barclay has turned the case into a murder investigation -- and Kyle Betts is the prime suspect.

4. Day 33

Matt gets in a riff with Leanne's parents. Later, he and Sarah make a grisly discovery.

5. Day 79

Amy celebrates her retirement, but several new clues bring her and Barclay to the verge of solving the case.