Blue Bloods: Love Lost

SYNOPSIS

Erin's in the middle of a trial, when the defendant announces he has retained new counsel who is Erin's ex husband and he proceeds to poke holes in her case. She learns he is dating his co-counsel who is 25. Frank is approached by a woman who says her son was killed and the killer was not caught. Frank learns the truth about her son's death and needs to decide whether to tell her, knowing it will devastate her. Danny investigates the death of a woman and he focuses on her husband because he thinks the man has a motive.