A physics guy invents a time machine that can go only backward and must always return the traveler to the exact same present from which he left.

Sure, others have pulled that 20th century actress forward to make modern films with spectacular failure, each attempt spawning a branch universe unconnected to the 21st century of time traveler Det Gruber, but none of the others took into account the psychological factors in the way that Det’s employers have done.

In 1949 Los Angeles, Detective Lee Kinlaw has writer/director Preston Sturges down in the morgue. The only problem is that Sturges is still alive and well in Hollywood.

Take a pair of time-hopping con artists looking for their next mark. Add a naïve and incredibly rich young scientist waiting to be fleeced. Stir together in the volatile political atmosphere of Roman-occupied Jerusalem at the time of the Crucifixion. The result: a wickedly entertaining blend of screwball comedy and biting social satire from one of science fiction’s most honored authors.

As a hostage to Pope Julius II in 1511 Rome, 11-year-old Federico is lonely until he receives a visit from a tawny cat, an art collector from the 20th century, and an 11-year-old kid named Bee from the 21st century.

In the far future, a woman who had lived through the Sobibor extermination camp manipulates the system to go back and rescue the rest of her family.

In 2050, time jet pilot Adam Reed steals a jet and heads back to 2018 to save his stranded wife, but he gets waylaid in 2022 where his 12-year-old self is the only hope to save the mission.