A Valentine's Day dance at Greg's middle school has turned his world upside down until an unexpected twist gives Greg a partner for the dance and leaves his best friend Rowley the odd man out. Baile del dia de San Valentin en la escuela intermedia de Greg ha convertido su mundo al reves hasta que un acontecimiento inesperado da Greg un socio para el baile y deja a su mejor amigo Rowley el tercero en discordia.