Intelligent, wise and mysterious, Caro, although staying away from the crowd, catches the attention of the top percent of the class, quickly rising up the ranks and replacing Julián as the valedictorian. From undocumented parents, Caro has been independent her whole life, never needing to rely on anyone. As Julián is secretly plotting her demise, Caro's mind is preoccupied with her family's uncertain future. Julián, wanting to prove his biological parents wrong and exceed their expectations, sets to make Caro's last high school year a struggle but soon begins to develop contradictory feelings for the new girl as he manages to peel layers off her reserved personality. His structured and indifferent life takes a turn.