A young man falls for a young woman on his trip home; unbeknownst to him, her family has vowed to kill every member of his family.

One Million B.C. is a 1940 American fantasy film produced by Hal Roach Studios and released by United Artists. It is also known by the titles Cave Man, Man and His Mate, and Tumak. The film stars Victor Mature as protagonist Tumak, a young cave man who strives to unite the uncivilized Rock Tribe and the peaceful Shell Tribe, Carole Landis as Loana, daughter of the Shell Tribe chief and Tumak's love interest, and Lon Chaney, Jr. as Tumak's stern father and leader of the Rock Tribe.

Salomy Jane, a California mountain girl, is sought after by a number of men in the nearby small town of Redwood City. She is affected when two criminals are pursued by authorities: one for killing a hypocritical mayoral candidate, the other for robbing the stagecoach.

A reformed gunfighter battles a crooked sheriff who used to be a member of his gang.

A murderer is driven slowly insane by a sequence of coincidences and suggestive events which will not allow him to escape his own sense of guilt for his crime.

Young Mary Lehner is deceived and abandoned by Ralph Moore, a manipulative social climber. Mary, daughter of a blacksmith, falls for Moore while he's taking advantage of her father's hospitality. After Moore leaves her pregnant and heartbroken, she flees to the city, faces hardship, and eventually gives birth to their child. Meanwhile, Moore, now engaged to a wealthy woman, experiences a night of drunken debauchery and insults, ultimately leading him to a deserted house where he encounters Mary again. Seeing her and learning of her suffering, Moore finally recognizes his obligation to her and their child. They reconcile and Mary returns to a respectable social standing.

Steven Brooks, a young man who finds himself entangled in a complicated situation involving his wife, Mrs. Steven Brooks, and another woman named Nell. The relationships and events that unfold ultimately test Steven's resolve and character, leading to a dramatic conclusion.

Young lawyer Richard Potter and Irene Roberts are secretly engaged but Irene’s social climbing mother wants her to marry a wealthy man. To that end she schemes with banker David Winters to break up Richard and Irene and pair her with Winters profligate son Gerald Winters. They succeed temporarily but Gerald is a violent drunk who runs with a fast crowd and eventually ends up charged with murder. Though innocent Gerald has been well framed and faces the gallows until Irene appeals to Richard, now the District Attorney, for aid. At the eleventh hour a confession saves Richard, allowing Richard and Irene to reunite.

Fred Rees proposes to Edith Shanlon, contingent on her mother's approval, which is initially denied due to the mother's desire for a wealthy match. A dream reveals the potential unhappiness of such a marriage when Edith's mother envisions Edith married to a wealthy man who neglects her. The dream, filled with infidelity and public humiliation, convinces the mother that a loveless, wealthy marriage is not worth it. Upon waking, she happily grants her consent to Fred and Edith's union.

Wealthy bachelor Forest Keene lives in a mansion with his nephew Rex Booth and housekeeper Janet. Rex and Janet are in love with each other, but Keene objects to the match threatening disinheritance in the event of a marriage. Gifted with an ancient knife, Keene nods off holding it, falling into a nightmare where he sees the ruination of them all because of his obstinacy. Awakening he realizes the folly of his objections and gives his consent to Rex and Janet’s union.

Tom Allen, a hardworking young miner. He cautions his wife, Beatrice, about the presence of a "worthless chap" named Joe Hills, who frequently loiters around their cabin. Hills subsequently steals Allen's gold, and Beatrice discovers him in the act.

Kenyon has the newly arriving Ranger shot and his man Martin assume the Ranger's identity. Clay finds the Ranger before he dies and learns the truth. But when Clay confronts Martin, Martin convinces the townspeople he is a real Ranger and Clay is the murderer. Clay escapes and must now find a way to expose Martin as a fake.

Billy Haven, a young rancher, accidentally discovers that clay found on his ranch will, when mixed with water, become the most beautifying mud-pack cosmetic that any young girl, or old woman, could desire. Then the land-grabbers, clay-speculators, cosmetic companies and a show girl or two show up to get a piece of the action.

Elliott is hunted by Curtis who has spent six years behind bars because of his testimony. After knocking out several baddies and putting up with the zany antics of his sidekick Taylor, Elliott guns down his antagonist, but Luana Walters, the girl he almost marries, will not abide a gunslinger so Elliott is compelled to ride off alone into the sunset once more.

Accused of a murder he did not commit, Ken leaves the country. Three years later Evans finds him in the jungle. When Evans dies, Ken seeing the resemblance, assumes his identity and returns to clear his name.

Wanting the Lance ranch, Burkett kills Lance and brings in an imposter to pose as the heir Ken Lance. Ken learns of the plan, captures the imposter, and arrives posing as himself. In an ensuing gunfight a man is killed and Ken is in trouble when not only is he accused of the murder, but the imposter escapes and convinces the Sheriff he's the real Ken Lance.

Insurance adjuster John Smith leaves for a nearby town to adjust a loss. He tells Mrs. Smith that he will be home in a few days. Traveling salesman John Smith leaves for a short business trip. He also tells Mrs. Smith to expect him in a few days. Salesman John wires his wife that he will be held up until the next day. Adjuster John Smith wires his wife that he will be home on the midnight express and to have lunch ready for him. The messages get crossed and many comical misunderstandings results until all is happily resolved.

Within earshot of her fiancé Leo Holmes and his friend Bruce Morgan Louise Wilke says she could never marry a man who was a drunkard. Morgan, secretly in love with Louise, gets Leo intoxicated and sends him to her home. Louise breaks off the engagement and Bruce pursues her. Undecided, she slips into a dream where she is mired in a life of misery with Morgan, who has become a worse drunkard than Holmes as well as selfish and brutal. In trying to defend herself from Bruce she kills him with a pair of shears. Holmes, a poor derelict, hears her scream, rushes to her rescue. Louise awakens and sends for Leo.

During the Civil War, Jeanne Beaufort becomes a secret service agent for the South....

A California fisherman starts with his family for a trip up the coast. When the party finds a desirable location, the girls begin to gather shellfish while the men ply their trade. When the fishermen attempt to return, their boat is wrecked in the surf and they are caught in the rocks. As evening comes on the girls leave for the camp and are startled by hearing a gunshot. They investigate and find that a hunter, bitten by a rattlesnake, has fired to attract attention. The girls assist the hunter to dress his wound and as they depart they sight the fishermen imprisoned on the rocks. With the assistance of their newfound friend they succeed in rescuing their relatives.