Please answer the following question: I am a movie director and I just received the following movie plot. Could you help me answer this question? If not, let me know by writing "Not answerable". Plot title: I'll Always Know What You Did Last Summer Movie plot: This article's plot summary may be too long or excessively detailed. Please help improve it by removing unnecessary details and making it more concise. (August 2016) (Learn how and when to remove this template message) Amber Williams (Brooke Nevin), her friends Zoe (Torrey DeVitto) and Roger (Seth Packard) and her boyfriend Colby Patterson (David Paetkau) stage a prank at the town carnival, with Roger faking the return of the "Fisherman" killer, with the hook Roger says Ben Willis originally used. However, during the prank, their friend PJ Davis (Clay Taylor) performs a stunt as part of the act. The prank seemingly goes without a hitch, but when they return, they see everyone staring at PJ's body impaled on a pipe. The public believes the Fisherman to be behind it and to cover up what happened, Colby convinces his friends to burn the evidence and make a pact that the secret will die with them. One year passes after the group separates, and Amber returns to town to discover that Colby never left to pursue his scholarship. She leaves the party angry, and goes up to the mountains where she encounters one of the officers who witnessed the accident, Deputy Haffner (K.C. Clyde). Later that night, Amber awakens to a sound, and receives 50 text messages reading "I know what you did last summer". She drives to Zoe's shack to find her band rehearsing for a concert, and after Amber apologizes for not contacting her, Zoe allows her to sleep there for the night. The next day they find Roger fixing ski-lift gondolas; he angrily sends them away when they inform him someone knows what happened. Zoe goes to find Colby working as a lifeguard at a public pool; he dismisses her then returns to his post to find "I know what you did last summer" written in the ground. Amber is attacked on a ski-lift by someone wielding the hook, but Colby does not believe her. Later that night, a drunken Roger contemplates suicide while pulling out the hook from the prank, which he had salvaged from the fire. When he investigates a noise, he is... My question: Who does the Fisherman reveal that he is?
A:
The Fisherman reveals himself to be Ben Willis.