In Bristol, customs officer Ann catches three passengers with 87 kilos of tobacco worth nearly £11,000, but tempers boil over when they claim it's all for their own consumption. (S1, ep 4) [S,AD]
The crew of the coastguard fast cutter searcher investigate mysterious pot-markers off the Cornish coast, which they suspect are being used by drugs smugglers. (S1, ep 3) [S]
At Gatwick, the customs team catch a cocaine smuggler and he confesses that he's being met by an accomplice, so the officers lay a trap to catch him too. (S1, ep 2) [S]