Randi Kaplan

When construction workers pour the sand into a newly made playground and discover the remains of a young boy, Detective Stabler (Christopher Meloni) teams up with CSU tech Millie Vizcarrondo (guest-star Paula Garces) to investigate,which leads them to resurrect a cold case where four boys disappeared 30 years earlier. As the investigation unfolds, new forensic evidence surfaces but no progress can be made solving this case until Anna (guest-star Lisa Emery) surfaces, claiming her stepfather Robert Sawyer (guest-star Richard Bright) was the killer. Mariska Hargitay, Richard Belzer, Diane Neal, Dann Florek, Ice-T, Tamara Tunie and B.D. Wong also star.

J.D. tries to persuade a smoker patient to quit smoking in order to impress Dr. Cox, who is just feeling lonely in his opinion. Elliot's attitude towards Carla annoys her, thus Turk is able to go on a date with Carla, when he convinces her to forgive Elliot.

Liza and Diana convince Pauline to lie about her marriage while promoting her book, and Kelsey and Zane compete for a former presidential speechwriter's prospective memoir.