Ella becomes intensely possessive of Helana, a mysterious girl who looks like her twin, insisting her family adopt Helana instead of letting her stay with Eileen's family who are currently fostering her. As Helana struggles to learn English at their new high school, she secretly takes her three friends—Ella, Eileen, and Roxana—to a spiritual `night school` where they meet her parents and begin learning otherworldly knowledge they'll remember upon waking.
Eileen and her friends, who appear to possess psychic abilities, help police officer Mrs. Danvers apprehend a man who had kidnapped his own daughter, but their supernatural knowledge of the situation terrifies Mrs. Danvers. As the girls navigate high school while hiding their telepathic powers, Mrs. Danvers becomes increasingly frightened when she realizes they can read her thoughts, leaving her afraid of her own children.
Ella convinces her skeptical mother to let three other girls with telepathic abilities stay at their house, claiming it's due to family emergencies and a Navy program, while the girls secretly struggle to control their expanding psychic powers that are overwhelming them with unwanted thoughts from others. When one girl's mother has a breakdown from witnessing their abilities, Commander Beaker suggests using `white lies` and psychological manipulation to help the traumatized woman retreat into a more comfortable reality that doesn't include the supernatural.
Four teenage girls experience a shared dream where they travel to a mystical beach called the Ocean of Infinity, learning how consciousness can manifest reality while celebrating their 14th birthday party with ancestors, spirit guides, and future descendants. The next day, mysterious packages arrive from a remote viewer who had visited their dream, confirming the supernatural experience was real.
Ella and her three sisters celebrate their 14th birthday at a party where Helana receives a romantic letter from 19-year-old Bobby Miller, causing her to flee in emotional turmoil as she grapples with intense first love feelings. Later, Navy intelligence officers recruit the exceptional girls for a Saturday program teaching specialized skills, which they agree to join despite some reservations about the mysterious curriculum.
Four teenage girls with psychic abilities are recruited by a government program, but when Helana reveals that their remote viewing techniques are flawed because they're using spiritual powers adversarially rather than cooperatively, it becomes clear the girls possess far greater abilities than anticipated. During a training exercise at a mall, an armed attacker targets the group, forcing the girls to use their powers defensively while one of them, Eileen, kills the assailant—an incident that reveals they've been under secret government protection and raises questions about whether the attack was coincidental or orchestrated.
In a supernatural war between forces of Light and Darkness, teenage Helana learns from her mother in `night school` that she and her sisters are warriors protecting Earth's timeline, which is being destabilized by powerful level 10 entities who can alter reality itself. After Eileen shoots a gunman to save her friends, the girls face increased danger as the Darkness targets them for their forbidden knowledge, while government agents struggle to protect them and keep their true mission secret from suspicious parents.
Four teenage girls with special psychic abilities attend a Navy briefing where Commander Beaker explains to their parents that they're part of an experimental program to train gifted children who could help prevent a predicted global catastrophe in the 2070s. After the meeting, the girls test their telepathic powers by mentally influencing their security agents to buy movie tickets, leading to discussions about growing up, romantic feelings, and the responsibilities that come with their extraordinary abilities.
Four teenage girls with telepathic abilities are recruited by the Navy to use their psychic powers to locate the source of mysterious cries for help in Cincinnati, Ohio. Their investigation leads to the discovery of a horrific pedophile trafficking ring involving children from Earth and other planets who are being exploited as `pleasure children` for criminal adults.
Four teenage girls reluctantly attend a mandatory survival training class during their school break, where they learn about historical atrocities through Ella's mother's account of her grandfather's survival during the 1947 India-Pakistan partition. The group then travels to a remote South Pacific island for hands-on survival training, where they learn essential skills like fishing, foraging, and assembling bug-out bags while gradually embracing the experience despite their initial resistance.
Four teenage girls meet with one of their fathers at a restaurant, where Helana—a time traveler from 500 million years in the future—reveals that a mid-century global conflict will nearly wipe out 95% of life on Earth, but her three friends will become key figures in humanity's resistance and eventual rebuilding. Later that night, as the girls have a sleepover, Helana confides her fears about forgetting her origins and not knowing her role in the changed timeline, while Ella encourages her to focus on living day by day rather than worrying about predetermined futures.