Watch Knife in the Water (1963) (1962) HD Full Movie Free on solarmovie.do. Watch Knife in the Water (1963) (1962) online free. A couple pick up a hitchhiker on the way to their yacht. The husband invites the young man to come a...A couple pick up a hitchhiker on the way to their yacht. The husband invites the young man to come along for their day's sailing. As the voyage progresses, the antagonism between the two men grows. A violent confrontation is inevitable.