Sifuentes's plan to use the zoo as a teaching tool for giving Stulwicz some sex education has unexpected benefits for two of its residents; Melman's new boyfriend gets arrested for insider trading, placing her, Kelsey and Perkins in jeopardy for acting on his tips; Becker's scorched earth policy on divorce settlements leads to near tragedy for a client's family, which prompts him to reassess his strategy for handling Brackman's divorce.

A TV superhero fights to remain in the role of the Salamander; Becker celebrates his birthday with the new woman in his life; and Roxanne discovers she has a big tax problem.

A Jewish philanthropist halts funding for a medical researcher who is using data from Nazi experiments; the Markowitzes anticipate the worst from a girl claiming to be Stuart's daughter; Becker's fidelity is put to the test by Julie.

Becker realizes why Flicker has kept Schuller on ice when they finally come face-to-face; Paros returns a favor to McKenzie by calling in a favor with the State's Attorney's office on the Osgood case; Brackman's playing with pheromones in an effort to revitalize his sex life gets him and the firm embroiled in two lawsuits; Morales represents a man suing the owners of a slaughterhouse who have set up business next to his weekend getaway home in the desert; Mullaney feels responsible for the mob violence that follows when he fails in his efforts to pull out all the stops in keeping a mentally ill man who murdered his wife from being released from a psychiatric facility; Gwen receives another package from her stalker.

Markowitz represents a restaurant owner being sued by obnoxious and demanding customers who claim that they were assaulted by their waiters; Paros represents a woman claiming ownership of valuable paintings created by her great-grandfather currently held by the descendants of the man who enslaved him; Stulwicz urges his disabled friend Rosalie Hendrickson to press charges against the man who raped her, but her mother convinces her to withdraw the complaint.