Elle Evans and her best friend Lee Flynn were assigned a booth for there high school spring's carnival.So they decided to run a kissing booth at the carnival.
Elle and Lee had difficulty finding people to participate,but they find a group of popular girls called the OMG's.To make the OMG's participate Elle and Lee lied to them by saying Noah likes one of them and will go if they go.
The OMG's become angry when they discover that Noah is not actually working the kissing booth. For payback, the girls send Elle up to the booth to kiss a nerdy kid while blindfolded.
The boy switches with Noah having him next in line to kiss Elle. When Elle won't stop talking Noah kiss her and not knowing who kiss her Elle takes off the blindfold and Noah goes in for a second kiss.After that kiss they started a relationship.
Noah asked Elle to go to prom with him and then they kiss but Lee ends up seeing it.Lee tries to leave his house but Elle tries to get him to talk before Noah intervenes and eventually get into a fight. After the fight Lee leaves and Elle tells Noah to leave her alone.
Elle tells Lee that she loves him but she loves Noah and he can,t accept that then maybe they shouldn't be friends. Lee accepts Elle and Noah relationship.Noah was under Lee costume the whole time while Elle is surprised to see Noah ,she tells him she loves him and they kissed