In the series premiere, CeCe Moore works with Seattle, Washington's Snohomish County Sheriff's Office on the double homicide of a young couple who disappeared in 1987 after taking a ferry from Vancouver to Seattle and were later found miles apart, gagged, bound and brutally murdered.

CeCe's work on the 1996 rape and murder of an 18-year-old in Idaho leads police to the potential killer and helps exonerate the wrongly accused man who spent 20 years in prison for the crime.

CeCe helps crack a 1998 cold case involving the murder of Sherri and Megan Scherer, a mother and daughter from New Madrid, Missouri.

Uncovering the identity of the person who killed an 8-year-old girl, taunting police in Fort Wayne, Indiana for decades after with notes and threats.

CeCe helps uncover the identity of a serial rapist through genetic genealogy.

In the season finale, CeCe works her first active case, the rape of a 79-year-old woman that happened just three weeks prior. Also, regarding an earlier cold case on which she worked, CeCe sees the first jury trial conviction.