Target: Earth

A giant scientist has invented a device that is to be used as a guidance system for their space program. Unfortunately, it is flawed and has failed a critical test. Mark, going against Steve's orders, decides to help fix the problem and in return the scientist promises to help them return to Earth. However, the wife of the scientist is jealous of Mark and feels that any help he gives her husband will help to discredit him and as a result she reports what is going on to Inspector Kobick.