If (like us) you have a soft spot for the romantic comedy, then Lili Reinhart's next project might be for you. The actress is set to star in and executive produce The Love Hypothesis, the film adaptation of Ali Hazelwood’s bestselling novel. A beloved favourite on BookTok, the story is now heading to Amazon MGM Studios, and there's a trailer here to really whet your appetite.
Below, everything you need to know about The Love Hypothesis.
Watch the official trailer
Who is involved?
Reinhart will star as Olive, and she’s also producing the film under her banner, Small Victory. As for her co-star, Tom Bateman has landed the coveted role of Dr. Adam Carlsen, and we're looking forward to seeing him in a slightly different role from his previous work.
Joining the pair is Rachel Marsh (who you might recognise from Adults), and season three of The White Lotus' Nicholas Duvernay. There's also Jaboukie Young-White and Arty Froushan. Marsh will play Anh, Young-White will play Malcolm, Duvernay will play Jeremy and Froushan will play Tom.
Directing is Set It Up’s Claire Scanlon, and the screenplay was adapted by Sarah Rothschild. The project is also being produced by Elizabeth Cantillon, with Hazelwood herself attached as an executive producer.
See the first photos from set
What is The Love Hypothesis about?
The film follows Olive Smith, a third-year PhD candidate in biology whose lack of romantic experience has led her to stop believing in love entirely. However, she accidentally finds herself in a fake-dating setup, after kissing the first man she sees in an attempt to convince her friend that she's happily dating. The man in question turns out to be Adam Carlsen, a young professor – what follows is (unsurprisingly) something far more real than Olive bargained for.
The official logline reads: “What begins as a desperate act of friendship spirals into a fake relationship with rules, boundaries, and a mutually beneficial agreement. When their arrangement begins to blur the lines between performance and reality, Olive is forced to test her most daunting hypothesis yet: that love might actually be worth the risk.”
When does it come out?
It's felt like an age of waiting, but we now have confirmation that The Love Hypothesis will land on Prime Video sometime on September 23, 2026.
