Lara Jean likes five boys and a way she cope with it is to write love letters and express why she loves them. one of the boys Lara Jean likes is her sister boyfriend and there is 2 she went to camp with and one is peter which she goes to school with him.
Lara Jean letters got sent to the five guys. peter was the first one to go and talk to Lara Jean while she was in gym when peter came to confront Lara Jean she was really confused about the whole thing because she did not know the letters got sent out to the five people and when peter was saying how he was not into Lara Jean saw Josh her sister ex boyfriend with the letter and than she grab peter and kiss him so josh would walk away
Lara Jean and Peter are fake boyfriend and girlfriend and Peter just broke up with his girlfriend and want to make her go back with peter and they made a contract to set rules in there fake relationship Like go to parties together and at the end of the year there is this big ski trip that have to go but Lara Jean and think the they would no longer be together and a fake couple.
The ski trip was here an d that night Lara Jean toll Peter that she have feelings for Peter. And peter felt the same way they start moving close to each other an then start to kiss than they headed back to there rooms.
when Lara Jean got onto the bus and everyone started to laugh and point at her and than peter show the video that someone was spying on them and the video was them kissing and by the pool and now everyone on the internet saw the video .
after long time with Lara Jean and peter not talking with each other they finally made up and now there are in a real relationship.