Two men and a woman circle the globe in a satellite armed with a nuclear device. The third world war breaks out, and a few months later the satellite crashes. They survive the crash but one man gets killed by survivors and the other man gets caught. The woman stays by the remains of the the satellite but is soon caught by evil punks who have taken power.

Perfectly respectable youngster Ben refuses to stand by when his girl-friend, provocatively impish drug addict Sophie, is shipped off by her airhead ma and brutally domineering stepfather to dodgy Dr. Norman Hail's completely isolated Fiji 'boot camp'. Ben fakes drug problems to get enrolled in the 'serenity' rehabilitation program from wayward teenagers according to their often irresponsible parents. Under ex-military guards captain Logan's ruthless sway, Ben saves an exhausted boy's life before attempting an escape with Sophie.

Set in present day Afghanistan, the sequel centers on a group of soldiers who endeavor to capture Fazul, a fanatical terrorist who has escaped into the maze of caves underlying the landscape of the country. As the troops spelunk, they encounter one major obstacle: genetically altered bats programmed to seek out flesh and consume it.

John Canyon is one of the last independent space transport entrepreneurs. Rough times force him to carry suspicious cargo to Earth without questions being asked. During the flight the cargo turns out to be multitude of unstoppable and deadly killer robots.

Karen has to take a ride in Frank's car. He's travelling with his wife, on his way to sell computer chips, which he obtained illegally. He suspects his wife is being unfaithful and tragic things happen, following a discussion. Karen escapes, reaching a lab where a scientist has discovered how to go back in time, and she returns by accident some minutes before the violent events. Then she tries to make things better, but things tend to become worse, as time cycles keep being repeated.