On a tropical island vacation, a young boy's friendship with a playful and friendly dolphin helps him find the courage to get back in the water after the sudden loss of his mother.

A photographer on a trip to Japan meets a fellow American woman and they quickly fall in love. However, when he returns home to the US, he discovers that she is his girlfriend's older sister.

The head of a cyborg reactivates, rebuilds itself, and goes on a violent rampage in a space marine's girlfriend's apartment.