Left with no choice but to continue Cormac's international drug runs, Jo turns to her ex, Dom, for help. Following a close call with the police, Jo is forced to quickly secrete heroin in the airport, but it goes missing - and Cormac gives her 24 hours to get it back. Meanwhile, a rattled Dom attempts to flee with his family. But after failing to convince wife Mel they need a holiday, he turns to Jo for comfort and they vow to fight back.