When 20 kids won a raffle to go on a cruise together (With parent permission of course) they have to learn how to work together to make sure no one gets hurt. How will this go in the middle of the ocean? #1 in Overboard #1 in Seas #1 in Overseas

In which an anonymous death threat was passed around, and our characters are considered suspects for this crime. Who did it? (I don't even know, don't ask me!)