Build a movie plot around this: Which phobia does Rennie have? Aquaphobia
Following the events of The New Blood, two graduating high school students are aboard on a houseboat. Jim tells his girlfriend Suzy the legend of Jason Voorhees, before playing a prank on her with a hockey mask and a fake knife. The boat sails over some underwater cables, which electrocute Jason's corpse and cause his resurrection. He sneaks on board and kills Jim with a harpoon gun before impaling Suzy, who tries to hide from him, with a barb.The next morning, the SS Lazarus is ready to set sail for New York City with a graduating senior class from Lakeview High School and chaperoned by biology teacher Charles McCulloch and English teacher Colleen Van Deusen. Van Deusen brings McCulloch's niece Rennie along for the trip despite her aquaphobia much to his chagrin. Jason sneaks on board and kills rock star wannabe J.J. with her guitar before hiding in the bowels of the ship. That night, after a boxing match, a young boxer who lost to champion Julius Gaw is killed when Jason slams a hot sauna rock into his abdomen while Rennie, searching for her pet Border Collie Toby, discovers prom queen Tamara and Eva doing drugs. McCulloch nearly catches them moments later and Tamara pushes Rennie overboard, suspecting she told on them. She then uses video student Wayne to record McCulloch in a compromising situation with her, but rejects Wayne's advances afterward. Tamara is killed by Jason with a shard of broken mirror when she goes to take a shower.Rennie begins seeing visions of a young Jason throughout the ship, but the others ignore the deckhand's warnings that Jason is aboard. Jason kills Captain Robertson and his first mate. Rennie's boyfriend, Sean, discovers them and tells the others before calling for an emergency stop. Eva is strangled as she tries to flee from Jason. The students agree to search for Jason while McCulloch decides that the deckhand is responsible; however, the deckhand is discovered with an axe in his back. One of the students, Miles, is killed by Jason and Julius is knocked overboard....