While Howard and Sheldon bond over their relationships with their disappointing fathers, Leonard’s mom finds a new best friend in Penny.
Christy helps Jill adjust to being a new foster mother, and Bonnie has trouble convincing tenants that she's a good building manager.
Dexter continues to juggle life as a family man and serial killer; Miami Metro investigates a murder.
Debra meets with a local crime writer; Quinn gets an offer; LaGuerta continues to dig into the Bay Harbor Butcher case.
New leads are brought to light in the Wayne Randall killing spree case.