returning to Australia, Katrina is arrested at the airport when the drugs in her suitcase are discovered. Arkie disappears as Kat is detained by Thai authorities. Episode two Kat meets Carlisle in jail. He agrees to tell Hal where she is. Hal is reluctant to meet Kat, but Carlisle convinces Hal to visit her in jail under a false name, pretending to be Carlisle’s legal assistant. Hal is impressed by Kat’s strength. Kat is charged with trafficking, which carries the death penalty. She is taken to the squalid, overcrowded, Lum Jau prison to await trial and placed in a cell with other foreigners, ironically nicknamed the "Bangkok Hilton." Mandy Engels (Joy Smithers), another Australian imprisoned for drug trafficking, teaches Kat how to sneak to the men’s side of the prison, to visit and care for Mandy’s intellectually disabled brother Billy (Noah Taylor), who was arrested with Mandy. Carlisle convinces Hal to take an active part in the case, working with Kat, but maintaining his false identity as a junior lawyer. However, Hal flatly refuses to visit Kat in Lum Jau. He reveals to Carlisle that it is the same prison in which he was held by the Japanese 40 years earlier and he cannot bear to enter its walls. Hal finds the courage to go to Lum Jau. Based on Kat’s memories, Hal retraces her footsteps to London, where he is reunited with his estranged brother James. Episode three In London, every trace of Arkie turns into a dead end. Hal continues to Goa, where he chases Arkie to the airport and sees him across a crowd. However, without proof of any crime, Hal cannot convince the Indian police to do anything. Mandy and Billy are sentenced to death and executed. Soon after, Kat is also found guilty of trafficking and sentenced to death. The despondent Hal suddenly realizes that the escape tunnel his men dug in WWII may still exist, as it was covered over when it was discovered by the Japanese. Kat will only have to get to the men’s side of the prison to access it. Hal convinces Carlisle, whose entire life has been devoted to defending the law, to break the law in order to save the innocent Kat from execution. Kat reveals she can sneak to the men’s side. After a failed attempt, Kat tries again the night before she’s to be moved to another