Problems Still Abound XXII

Jill smiles as the last of the corn enters her silo. She lays out a parchment on a table nearby with a picture of something titled “stealth boat.” It uses underwater propellers and engines that utilize corn oil to create energy, not unlike ROOMBA. “It’ll be slower than the wind, and theoretically quieter, too.” She won’t guarantee the overall efficacy of her ship, but the design seems solid enough, and there doesn’t seem to be any more options. You set to work and rush to get the things she’ll need to get her project underway. She suggests you work on this in Buddy’s cave. How she knows about his secret cave and the dock there is a mystery to you.