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

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.

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.