Hank polishes off a day of flaky neediness with a creative meeting about his potential new movie that ends with him hiding in a starlet's bathroom and accidentally overdosing on booze and sleeping pills.
A sensational photo derails Hank's case and threatens to destroy his movie project until his sincere love for Becca rescues his career, while Karen resuscitates her ex-husband's relationship with his beautiful lawyer.
Forced by her relationship with Hank to recuse herself as his lawyer, Abby pitches the case to a senior partner on the golf course; Hank is dismayed by Karen's growing relationship with artist Ben; Marcy and Stu ask Charlie to help them pitch a TV project.
Hank takes a gig rewriting dialogue on a zombie sequel but threatens his job when he hooks up with a sexy woman with close ties to the film's female lead; Marcy tells Stu she's pregnant but not that the baby may be Charlie's.
Evicted from his apartment, Hank moves back in with Karen and Becca while he prepares for his trial and teaches his daughter to drive; while Karen's out on a date with Ben, Becca and Pearl steal the Porsche and wreck it.
A nervous Hank discovers that he's got good reason to panic when his trial turns into an all-out character assassination, with even friendly witnesses Charlie and Karen unable to portray him as anything other than a drunken, oversexed lout.
In the Season 4 finale, as Hank awaits sentencing, the lines between his real life and the movie based on his life blur as the film's star hits on his ex-wife and he feels stirrings of passion for the actress hired to play Karen.