Malcolm tries to keep Dewey from scoring high on an I.Q. test so he doesn't end up with the Krelboyne's, but the scheme backfires and Dewey is diagnosed as mentally disturbed; and Hal and Craig practice their dance moves using an arcade game.
When the daughter of Delko's therapist is murdered, Horatio and the CSI team must find the killer before Delko's darkest secrets are exposed.
Sterling convinces LEVERAGE to steal a nuclear reactor calibration weight from a high-tech skyscraper in Dubai during an international chess tournament.
Shane has problems at school again. Celia tries to get rid of her cancer in a non-conventional way and then gives all her belongings away. Nancy experiences her first shoot out and has to bail her brother in-law out of jail.
Mel and Joe find themselves on opposite sides when he’s ready to start a family right away, but she wants to wait.