Cuando eran nias, la abuela de Lily les contaba a ella y a su hermana Sam leyendas mgicas de su pas natal, Corea, y a ella siempre le fascin el cuento que hablaba de dos hermanas y un tigre. Cuando ella y su familia se mudan para cuidar de su abuela enferma, Lily comienza a tener visiones de un tigre mgico que parece venir directamente de los mismos cuentos populares coreanos que su abuela le contaba. Pero lo que Lily piensa que es slo producto de su imaginacin, tiene que ver una con un secreto de su familia. Hace mucho, mucho tiempo, su abuela rob algo que perteneca a los tigres, y ahora ellos quieren que se los devuelva. Entonces, uno de los tigres le ofrece un trato a Lily para devolverle la salud a su abuela, y Lily se siente tentada a aceptar. Pero los tratos con los tigres nunca son lo que parecen! Con la ayuda de Sam y su nuevo amigo Ricky, Lily deber hallar el coraje para enfrentarse a s misma y al temible tigre.

When they were children, Lily's grandmother told her and her sister Sam magical legends from her native Korea, and she was always fascinated by the story about two sisters and a tiger. When she and her family move to take care of her sick grandmother, Lily begins to have visions of a magical tiger that seems to come straight from the same Korean folk tales her grandmother used to tell her. But what Lily thinks is just a figment of her imagination, she has to do with a secret from her family. A long, long time ago, her grandmother stole something that belonged to the tigers, and now they want her back. Then one of the tigers offers Lily a deal to bring her grandmother back to health, and Lily is tempted to accept. But dealings with tigers are never what they seem! With the help of Sam and her new friend Ricky, Lily must find the courage to confront herself and the fearsome tiger.