Step On A Crack And Break Your Mother's Back. Ripley and Charles treat a patient with OCD. Asher and Archer encounter a woman with an object lodged in her heart.
The parents of a missing child accuse each other of having the baby until a gruesome discovery is made.
Severide and Seager team up to investigate a fire at the home of a troubled young woman. Pelham moves into 51's rumoured cursed office. Kylie assists Kidd with Girls on Fire.
Jailed Brenda calls Dylan, straining his relationship with Kelly; Steve and his dad vie with an old nemesis (Barry Bonds) in a golf tournament.
Deep Space Nine celebrates the birth of the O'Brien baby, as Odo and Dr. Mora struggle to save the life of a Changeling infant.