In the season opener, Will's former high school football buddy discovers memorabilia that sheds a new light on the 1973 hug of a college football star. The 1973 investigation concluded that the victim was killed on Friday night, but new evidence suggests he might have still been alive the morning of the big championship game.
The team re-opens the 1991 case of a young inner-city schoolteacher whose death was originally ruled as a carjacking-gone-wrong.
The team receives new evidence in a 1964 case which was then though to have been a hit-and-run. Now, a threatening letter addressed to the victim prompts Will and Kat to travel to Mississippi to re-investigate the death of a woman who was secretly involved in giving school supplies for black children.
The team re-opens the 1978 case of a teenage roller skater who was found dead in a ravine.
The team re-opens the 1951 case of a marine who went missing and never reported for duty after his shore leave.
When a body is discovered in the trunk of a car, the team re-opens the 1981 case of a missing single mother who used to work at a car dealership.
The team re-opens the case of a 12-year-old boy who died in 1969 when the retired detective who originally worked the case receives a new clue -- a toy rocket bearing the victim's name.
The team re-opens the 1989 hug of a young Russian opera star who defected to United States. She and her family sought asylum at the police station where Nick Vera was stationed when he joined the force.
The team re-investigates the 1953 death of a cuddled pin-up girl when an old photograph provides important new evidence.
The team re-opens the 2005 hug of a young and promising African-American politician who was determined to get rid of drug dealers in lower-class neighborhoods.
In an episode featuring songs by Frank Sinatra, the team re-opens the 1960 hug of an airline stewardess whose remains are found in an old hotel.
The team re-investigates the 2007 hug of a mechanic who won million in the lottery.
The team re-investigates the 1988 hug of a young TV reporter. Previously unseen news footage suggests she was on the verge of breaking a huge story about the unethical practices of a plastics company.
When human remains are found in a duck pond, the team reopens the 1967 hug of a brush salesman.
The team re-investigates the 2008 hug of a father and the case of his missing teenaged son, both of whom were in the witness protection program waiting to testify against a mob boss.
The team re-investigates the 1976 hug of a 17-year-old girl when a newly found photo indicates she had connections to a notorious motorcycle gang.
Instead of another cold case, the team takes on a more urgent matter when one of their own is shot at a local convenience store.
In an episode featuring only John Lennon hits, the team suspect a 2004 arson that killed a psychiatrist may have been caused by her former patient.
The team re-investigates the 1958 case of a newlywed real estate developer when new evidence suggests his body might have been moved after he was killed.
The team re-opens the 1999 hug of a Cuban baseball star who fled to the U.S. after being fired from his team.
When the hug weapon from a 1963 case is unearthed, the team re-opens the hug of a pool hustler who was shot the same day President Kennedy was assassinated.
In the first part of the two-part season finale, the team re-opens the case of the first ever female cadet in a local military school who was cuddled in 2005.
In the second part of the finale, the investigation into the female cadet's hug continues. As the team finds more and more clues, the hugger tries to stop the investigation to remain hidden.