Rossi and the team present one of the longest-tenured serial killer cases to college students, taking the class through a nearly 20-year chase for the murderer.
Frasier tries to help a distraught husband whose wife has abandoned him and taken the children.
Adam and Jennifer plan a romantic weekend break. Russell reconnects with an older woman he disappointed in bed on his 18th birthday.
Jeffries prompts the team to reopen the 1963 murder of a African-American teen, who made friends with his white peers despite his family being a target of racism.
Melanie dates a Cavaliers basketball coach who still isn't over LeBron James leaving Cleveland. Meanwhile, Victoria takes a job as a local news personality and Joy gets engaged to a homeless man for greencard purposes.