Miami International Airport is the largest entry point for flower shipments coming into the US, and Customs and Border Protection Officer Angel Marquez leads his team in a search of over 200 pallets of cut flowers, since the pallets are likely targets for drug smuggling. Meanwhile, Director of Security Lauren Stover learns that a stray dog named Simon is living near the airport and digging holes around the grounds, so Lauren assembles a team of airport personnel to catch the dog.