Bobby Soto

After an incident involving Wallowski, the Lightman Group is called upon to examine police profiling techniques. Internal Affairs make their presence known too.

Everyone has been avoiding everyone else since the accident that tore apart the Walker family. The family are forced to come together for Justin's homecoming party; Nora tries to prepare for the party, but is not acting like the mother she used to be; Sarah is consumed with the Narrow Lake deal; Kevin has a new career; Saul and Scotty are running their restaurant and Kitty's life has become a taboo subject.

The Walkers attend a swanky launch party for Luc's underwear advertising campaign, Paige falls in with the wrong crowd, Holly still struggles to remember the things that were once important to her, Kevin is saddled with a runaway juvenile delinquent, and Nora takes a part-time job as a florist.

At the request of Detective Mikki Mendoza, the squad investigates a series of brutal murders, which seem to indicate that a Mexican drug cartel may have moved into the city.

Sandra goes the extra mile for a client, Roger assigns Kate, and Seth and Leonard to work on a highly sensitive case after receiving a tip alleging that the governor of New York is trying to illegally sell a seat in the Senate.