At a family funeral, Trevor Orwin meets Jenny, the sister he never knew he had. The relationship that develops between them has a dramatic and violent effect.

Two young lovers learn that a small group of child-like space aliens are marooned on Earth and are being held prisoner at a top secret military facility. The couple then decide to liberate the extraterrestrial castaways and help them make a rendezvous with a rescue ship sent from the alien home planet.

A veterinarian who can communicate with animals travels abroad to search for a giant sea snail.