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Here's everything you need to know about Ali Hazelwood's book-to-screen adaptataion, 'The Love Hypothesis' movie.
Shocking the BookTok world, actress Lili Reinhart revealed to the world that Ali Hazelwood’s ‘The Love Hypothesis’ book is coming to screen soon, and everyone is dropping everything to see what’s going on. And to keep everyone in the loop, we’ve curated a guide on what you need to know about the upcoming romantic comedy.


Based on Ali Hazelwood’s book of the same name, The Love Hypothesis is a STEM romance book that follows a third-year PHD candidate, Olive Smith, who fakes a date with a young hotshot professor, Adam Carlsen, to prove a point to her best friend that she’s on her way to a happily ever after. When Carlsen agrees to keep the charade and be her boyfriend, Olive finds it hard to differentiate between what’s real and what’s not when the force of attraction is bigger than they expected. And, when a big science conference puts Olive’s career at risk, Adam tries his best to show her that science and love can gel together.
According to Prime Video, here’s the official synopsis: “Based on the New York Times best-selling novel by Ali Hazelwood, The Love Hypothesis follows Olive (Lili Reinhart), a brilliant PhD candidate focused on her future in academia. But when she realises her best friend Ahn (Rachel Marsh) has fallen for her crush Jeremy (Nicholas Duvernay), Olive impulsively kisses intimidating professor Adam Carlsen (Tom Bateman) to prove she’s moved on. 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.”

In a cute reveal, Riverdale actress Lili Reinhart posted on TikTok that she will star in the film as Olive Smith and executive produce it. Spicing things up a bit, the actress also posted a video on TikTok to unveil her co-star, Tom Bateman, as the leading man, Adam Carlsen.
Fun fact: The Love Hypothesis originated from Head Over Feet, the 2018 Star Wars romantic fan-fiction about Kylo Ren and Rey. So most omnilegents were excited to see if they would cast Star Wars actor, Adam Driver, who plays Kylo Ren. But, in a shocking turn of events that delighted those readers, Bateman is actually Daisy Ridley’s husband, who played Rey in the Star Wars film.

Yes, there’s a teaser trailer.
It will be rated R.
The film will be directed by Claire Scanlon, the woman who brought you one of the most loved office rom-coms of all time, Netflix’s Set It Up.
There’s no denying that we’re hoping certain scenes and lines appear in the film—here are a few we’re hoping get put in. Because talk about swoonworthy.

It will be released on 23 September.
You can watch it on Prime Video.
Yes, here are a few of them.

Photo courtesy of Philippe Bosse

Photo courtesy of Philippe Bosse
If you think 2026 is too long to wait for ‘The Love Hypothesis’ movie, don’t fret. We’ve got you covered. There are other books written by Ali Hazelwood that you can read to fill up the time. From Deep End to Bride, there’s nothing you wouldn’t love by her if you love this one! She even has other STEM romance books to choose from.
Harper’s BAZAAR Malaysia.