Interstellar is Christopher Nolan’s most emotionally open film, which is interesting because it is also his most scientifically rigorous. It is a film about time, love, and the peculiar human refusal to accept that the universe does not care about us. And somehow, it argues back.

Matthew McConaughey plays Cooper, a former NASA pilot now farming a dying Earth in the near future. When a gravitational anomaly leads him to a secret NASA facility, he is recruited for a mission through a wormhole to find a new home for humanity. He leaves behind his daughter Murph, played across timelines by Mackenzie Foy and Jessica Chastain, a girl who feels abandoned by the father she most loved.

The father-daughter separation is the film’s emotional core, and it hits harder than any of Nolan’s usual intellectual constructions. The scene where Cooper watches years of unseen messages from his aging children is one of the most affecting sequences in his filmography.

Kip Thorne’s involvement as a theoretical physicist consultant gives the film’s science unusual credibility. The rendering of Gargantua, the black hole at the film’s center, was so accurate it contributed to peer-reviewed astrophysics papers.

The film’s third act, inside the tesseract, is conceptually bold and occasionally confusing. But Nolan commits to it with complete sincerity, and the love-as-a-physical-force-in-the-cosmos argument, wild as it is, lands because everything before it has earned your trust.

This is big-canvas, big-heart filmmaking. It earns its ambition.