Television crews become embedded within U.S. Customs and Border Protection officers and Homeland Security Investigations agents to uncover the hidden world of smuggling; from well-established cartel operations to wild party boats returning from the Caribbean, Contraband: Seized at Sea takes a look at all sorts of nefarious activity happening on the water; filled with major drug busts and exclusive investigative insights, the series follows the realities of law enforcement taking action on the high seas.