Danny O'Neill is a bomb disposal expert assigned to a case where terrorists have developed an "invisible" liquid explosive which is activated within the human body.

A woman is simultaneously framed for the murder of her husband and terrorized by the deranged woman who actually killed him.

18 Again! is a 1988 comedy film starring George Burns and Charlie Schlatter. The plot involves a grandson switching souls with his grandfather by means of an accident. This was one of a series of unrelated films, including Like Father, Like Son and Vice Versa, produced in the late 1980s involving a similar plotline.