This movie follows the story of a group of high school teenagers and their parents as they attempt to navigate the many ways the internet has changed their relationships, their communication, their self-images, and their love lives. This movie attempts to stare down social issues such as video game culture, anorexia, infidelity, fame hunting, and the proliferation of illicit material on the internet. As each character and each relationship is tested, we are shown the variety of roads people choose - some tragic, some hopeful - as it becomes clear that no one is immune to this enormous social change that has come through our phones, our tablets, and our computers.

In the years after the Civil War, Jo March (Saoirse Ronan) lives in New York City and makes her living as a writer, while her sister Amy March (Florence Pugh) studies painting in Paris. Amy has a chance encounter with Theodore "Laurie" Laurence (Timothée Chalamet), a childhood crush who proposed to Jo, but was ultimately rejected. Their oldest sibling, Meg March (Emma Watson), is married to a schoolteacher, while shy sister Beth (Eliza Scanlen) develops a devastating illness that brings the family back together.

In 1960s San Francisco, a once-promising catholic school girl, Celina Guerrera, sets out to rise above the oppression of poverty and invest in a future for herself that sets new precedents for the time.