In 1935, when his train is stopped by deep snow, detective Hercule Poirot is called on to solve a murder that occurred in his car the night before.

14th-century Franciscan monk William of Baskerville and his young novice arrive at a conference to find that several monks have been murdered under mysterious circumstances. To solve the crimes, William must rise up against the Church's authority and fight the shadowy conspiracy of monastery monks using only his intelligence – which is considerable.

Elliot Ness, an ambitious prohibition agent, is determined to take down Al Capone. In order to achieve this goal, he forms a group given the nickname “The Untouchables”.

When vengeful General Francis X. Hummel seizes control of Alcatraz Island and threatens to launch missiles loaded with deadly chemical weapons into San Francisco, only a young FBI chemical weapons expert and notorious Federal prisoner have the skills to penetrate the impregnable island fortress and take him down.

Two thieves, who travel in elegant circles, try to outsmart each other and, in the process, end up falling in love.