The Kissing Booth 3

The Kissing Booth 3 is an American romantic-comedy directed by Vince Marcello and written by Vince Marcello and Jay Arnold. The movie picks up where the second one left off. It’s the summer before Elle heads to college, and she has a secret decision to make.

The film is the third and final installment in the The Kissing Booth film series and it is preceded by, The Kissing Booth, released on May 11, 2018, and The Kissing Booth 2, released on July 24, 2020.

Summary
"Determined to make the most of her final summer before college, Elle plans the ultimate bucket list as she navigates what comes next with Noah and Lee."

- Official Netflix synopsis

Plot
After going on a road trip post-graduation, Elle still hasn't made her mind up about whether to go to Berkeley or Harvard – although Noah is already planning to get an apartment off-campus for the two of them. When Noah and Lee's parents announce they're selling the beach house where they all spent their childhoods, Elle, Noah, Lee, and Lee's girlfriend, Rachel, offer to spend the summer there to help out with the sale. Lee shows Rachel his plans for them to see each other on holidays while going to colleges across the country from each other, while Elle is suddenly faced with a deadline by Berkeley. She chooses to go to Harvard with Noah which upsets Lee, but Elle promises to make it up to him by spending the summer doing their beach bucket list of various activities.

Noah's friend Chloe – who Elle once thought Noah was having an affair with – arrives at the beach house while Marco – who Elle kissed – gets a job in the area. During a day at the waterpark, Noah and Marco clash, prompting Noah to call out Elle for not realizing Marco still has feelings for her. Tensions escalate when Elle struggles to divide her time between Lee and Noah. At the same time, Elle grapples with accepting her father's new girlfriend, Linda, also a friend of her late mom, fearing that she'll replace her. Encouraged by Chloe, who is coping with her parents' divorce, to talk to Elle, Noah makes up with Elle. Marco shows up at the Fourth of July party where he again fights with Noah and punches him, but Noah refuses to retaliate. Marco admits to Elle that he does still have feelings for her, but she rejects him. That night, Elle fights with her father over Linda, accusing him of only dating her for his own pride; in response, he angrily recounts the sacrifices he has made for her and her brother Brad and that she is not the only person who deserves to be loved. "You have no idea how disappointed in you I am right now", he rebukes.

Unaware that Noah saw her acceptance letter to Berkeley, Elle goes to find him at their spot. Worried that she's only going to Harvard for him and that she will regret it, Noah breaks up with Elle. Heartbroken, Elle misses a bucket list with Lee to play Dance Dance Revolution. They argue as Lee tells her that he's never mattered to Elle compared to Noah, while she tells him to grow up and that all of her decisions this summer have been about trying to make everybody happy. Noah and Lee's mother tells Elle that she should start thinking about "what it is that you want to do" and choose a college based on that. Chloe and Elle talk about Noah while saying goodbye to each other, with Rachel eavesdropping on their conversation. Having seen the issues that Elle and Noah's relationship had, Rachel breaks up with Lee, though she hopes they will someday reunite.

Acknowledging how happy her brother is around her, Elle eventually understands and accepts Linda, reconciling with her father. Marco apologizes to Elle and they say their farewells amicably before Elle makes up with Lee and tells him that she's realized that she's spent so long maintaining her relationships with Noah and Lee that she hasn't worked out what makes her happy. Elle decides to apply to University of Southern California and study game design. Inspired by Elle, Noah and Lee's mom decides not to sell the beach house.

Six years later, Elle is developing her own game. She and Lee remain close friends, visiting the fated Kissing Booth at the Charity Fair. Additionally, Lee and Rachel reunited with each other and got engaged after college. Sometime later, Elle sees Noah for (presumably) the first time since their breakup, where he reveals he has job offers at law firms in Los Angeles and New York. Noah suggests going on a motorcycle ride when he's back in town and Elle agrees. They part ways, but not before looking back at each other.

Elle and Noah are seen riding down the coastline in California on their motorcycles, laughing and having fun.