A truffle hunter who lives alone in the Oregonian wilderness must return to his past in Portland in search of his beloved foraging pig after she is kidnapped.

Douglas Quaid is haunted by a recurring dream about a journey to Mars. He hopes to find out more about this dream and buys a holiday at Rekall Inc. where they sell implanted memories. But something goes wrong with the memory implantation and he remembers being a secret agent fighting against the evil Mars administrator Cohaagen. Now the story really begins and it's a rollercoaster ride until the massive end of the movie.

Scott Turner has 3 days left in the local police department before he moves to a bigger city to get some "real" cases, not just misdemeanors. Then Amos Reed is murdered, and Scott Turner sets himself on the case. The closest thing to a witness in the case is Amos Reed's dog, Hooch, which Scott Turner has to take care of if it's going to avoid being "put to sleep".

Allen Bauer is rescued from drowning as a young boy off Cape Cod by a young mermaid. Years later he returns to the same location, and once again manages to fall into the sea, and is rescued once more by the mermaid (Allen isn't sure what he's seen and what he's imagined). The mermaid decides to search for Allen in New York, sprouting legs when her tail dries. On finding Allen, they fall in love, but she has a secret, which will no longer be a secret if she gets her legs wet..