Robert Bennett, an idle socialite, wagers $30,000 with his three friends that he can tell nothing but the truth for a period of one week. His troubles begin at a party where his friends' wives question Robert about their husbands' outside activities. Forced to tell the truth, Robert's veracity results in domestic disharmony. Consequently, his vengeful trio of friends pursue Robert for the next five days, intent upon silencing him until the week is over. They finally resort to committing Robert to an insane asylum where he escapes with the aid of Dolly, who is in love with him because she believes that Robert is a society thief.

Therese Roger, daughter of a West Indian planter, whose parents are murdered while she is a baby, becomes the adopted daughter of her aunt, Madame Roger, keeper of a haberdashery shop in one of the smaller villages in southern France. She grows up with Camille, Madame Roger's son, a sickly, sexless creature, whom she ultimately marries in deference to her aunt's wishes.

Helene Palmer and her husband Orrin have grown apart, and she becomes infatuated with bachelor Edward Wadsworth. With the outbreak of World War I, Orrin and Edward enlist, while Helene works as a Red Cross nurse in a small French town. Edward is wounded on a dangerous scouting mission near the town and Orrin carries him to safety. The enemy invades during the night, and Orrin rescues Helene as she is about to be overpowered by a German officer. The dying Edward, morally strengthened by his experience as a soldier, encourages the couple to reunite. Soon after, peace is declared.

Set against the turbulent backdrop of 1870s Montana, in the moments before the execution of Isaac Broadway, he gives his estranged son, Henry, an impossible task: murder the man who framed him for a crime he didn’t commit. Intent on fulfilling his promise, Henry travels to the remote town of Trinity, where an unexpected turn of events traps him in town and leaves him caught between Gabriel Dove, the town’s upstanding new sheriff, and a mysterious figure named St. Christopher.