Welcome to the island of Kaua i where things under the water could make you rich or get you killed! Lucia Santerez puts her education on hold and returns home to help her brother Nichol?s run his new dive shop. When she arrives, he's nowhere to be found. She's told he's run off with his girlfriend without a word to her. Befriended by a vacationing firefighter and twin elderly sisters who run the C'Mon Inn B&B, together they try to unravel the mystery...