The fourth season of the drama finds most of its characters in hot water as Lockhart/Gardner attempts to avoid liquidation in bankruptcy court. Kalinda's estranged husband becomes of the firm's newest client, and starts to throw Kalinda off her game just as Will finally returns to work. Alicia must defend Zach in court after he videotapes a cop who pulls him over for a drug search. She also finds herself in familiar territory when a campaign worker says she slept with Peter just as he gears up his campaign for the Illinois governorship. Guest stars this season include Nathan Lane, Rita Wilson, Amanda Peet, and Kristin Chenoweth.