Magnum and Rick make a shocking discovery in the Capt. Greene case. Higgins and TC head to Maui to help an eccentric billionaire find the owner of a pesky drone that has been harassing him. Shammy helps Kumu after an incident occurs at La Mariana.
Magnum is very enthusiastic about his new project, teaching a class at the University about private investigation. The class is small but interest is great about everyone helps a student investigate the strange behavior of her fiancé.