lucky's life did not subside; he volunteers for an undercover drug case, and is injected with drugs under the orders of anthony zacchara (weitz). he spends a night hallucinating, and although elizabeth finds him and eventually gets him medication, she meanwhile gets in a car accident that puts lucky's wife siobhan in the hospital. anthony murders siobhan, and her death is the last straw for lucky, who willingly takes pills. lucky struggles but stops his drug use. he denies elizabeth's attempts to reconcile and leaves town in december 2011.