The episode starts with a lot of people gathered around a dead dolphin. Mitch and April arrive in a lifeguard truck and Mitch lets April transport the dead dolphin to the Marine Lab. Later some drug dealers make a deal on the beach. Behind some bushes, Garner Ellerbee is sitting on a horse named Earl, watching them. When the deal has been made, Garner starts riding towards the drug dealers. Two of them drive off on ATVs, and the third one disappears on a wave-runner. During the chase, Garner passes the tower where Mitch and April are talking. They join him for the chase in a lifeguard truck. Garner and Mitch capture the drug dealers and Mitch and Garner catch up on their lives together. It turns out that Garner now works for the Federal Police Unit. They are drug traffickers on the beach, trying to find suppliers. Garner tells Mitch about the drug smuggling ring that is operating off the coastline. In order to mark drug drop sites in the ocean, the drug dealers use a phosphorescent che (thetvdb.com)