An ailing widower finds a pretty woman willing to take care of his 20-year-old retarded son. One day the father and son are separated and the father gives up looking for the boy and returns home. Upon his arrival he sees the boy waiting for him on the step and he's so shocked he has a heart attack.
A young teenager named Mikey Walsh finds an old treasure map in his father's attic. Hoping to save their homes from demolition, Mikey and his friends Data Wang, Chunk Cohen, and Mouth Devereaux run off on a big quest to find the secret stash of Pirate One-Eyed Willie.
Ever in search of adventure, explorer Allan Quatermain agrees to join the beautiful Jesse Huston on a mission to locate her archaeologist father, who has been abducted for his knowledge of the legendary mines of King Solomon.