a parasailing group heads out for the thrill of their lives. but before they even leave the harbor, their boat comes under attack. >> it looked like the guy was literally trying to run over the other vessel. >> absolutely life-threatening situation. everybody on board was fearing for their life. >> on the southern shore of oahu, tourists flock to enjoy some of honolulu's most beautiful coastline. >> south shore of oahu here is a great spot for parasailing and water activities because it's on the leeward side of the island and the water is generally calm and the weather is consistent. >> for 16 years, captain jamal nichols has worked on the water, taking tourists out to experience the thrill of parasailing. >> this job is very rewarding. and to fulfill people's excitement on an hourly basis is awesome.