Radio research worker Nathen picks up signals coming from a spaceship hovering near Earth and succeeds in communicating with his 'opposite number' aboard the ship. Speech and pictures are received showing that the occupants are humanoid - and friendly. But can they trust us?
Lee Cross is a teenage stowaway on a rocket ship hoping to see her brother on another planet. However, her extra mass was obviously not accounted for, leaving the ship with not enough fuel to reach its destination.