A magazine editor is found dead in her mansion; Megan confronts a suspect while at a social event with her mother; Ethan surprises Kate with his positive attitude.

A father is found stabbed to death in his home in the Philadelphia suburbs; Kate takes a consulting role in a case with Megan's ex-husband.

Megan and the team investigate when a Philadelphia homicide detective is killed in a hit-and-run; Megan turns to her mother (Joanna Cassidy) for help.