Summer and Ethan head to Maui for their honeymoon. The sun doesn't set before they find themselves thrust into another mystery and Summer's family arrive to vacation with the honeymooners. This time, Ethan is more than willing to help Summer gather the clues, since the sooner the culprit is caught, the sooner they can get down to honeymoon business. Alas, it's not to be as they discover that Summer's uncle is one of the very people being targeted by a scam artist and a bipolar beauty. Set against the backdrop of beautiful Hawaii, tour the great island of Maui with Summer and the gang to catch a murderous crook.