BPM (Beats per Minute) — Ending Explained

The Final Act: Sean's condition deteriorates to the point where he can no longer care for himself. He moves into Nathan's apartment. In a devastating sequence, Sean decides to end his life. Nathan assists him, essentially performing euthanasia to end his suffering.

The Political Funeral: After Sean dies, the group holds a wake in the apartment. However, his death is not the end of his activism. Per his wishes, the group takes his cremated ashes to a fancy banquet held by a health insurance lobby.

The Ending: The activists storm the banquet hall. In a shocking, silent climax, they throw Sean's ashes onto the plates of food and the guests, literally forcing them to consume the dead they have ignored. The film ends with the group returning to the club to dance, dancing through their grief, affirming that the beat goes on despite the loss.

The Film as a Ghost Story: Some critics interpret the recurring dust motes and the spectral lighting in the club scenes as the presence of the ghosts of those lost to AIDS, dancing alongside the living.

Political vs. Erotic: There is debate over whether the sex scenes are 'breaks' from the politics or political acts themselves. Most readings lean towards the latter—suggesting that in an era of plague, reclaiming sexual pleasure is a radical act of defiance.