The International Rescue team is faced with one of its toughest challenges yet, as the revolutionary lighter-than-air craft Skyship One is hijacked while on her maiden voyage around the world….

When the launch of a mission to Mars goes awry due to sabotage, International Rescue is requested to assist in the mission’s second attempt.

After being framed for a murder he didn’t commit, Tom Penney (Donald Houston) serves his time and returns to his rural English home to establish a quiet life. When another…