Michael Scofield is in Sona, a hellish and deadly Panamanian prison where a previous riot has forced all authority out and has left the prisoners in charge of their own lives (and deaths). With the fate of his loved ones hanging in the balance, Michael must find Whistler, a mysterious fellow inmate hiding within the prison’s sewer system, in order to break him out from a prison from which there is no way out. Meanwhile, Lincoln searches for a missing Sara and receives troubling news about LJ.

The evolved humans who once banded together to save the world from Sylar are adapting to their new lives. In feudal Japan, Hiro meets Takezo Kensei. Matt takes his detective exam, and, along with Mohinder, has taken Molly into his care. Kaito Nakamura and Angela Petrelli learn of a threat upon their lives, while Angela's son Nathan is taking Peter's death badly. While Maya and Alejandro are on the run, Peter wakes up in a suprising location. Claire tries not to be noticed in California, while Noah Bennet and Mohinder plan to finally take down the Company.

The drama is based on the popular manga of the same name by Nakajo Hisaya, which has already been dramatized in Taiwan. Horikita plays the protagonist Ashiya Mizuki, a Japanese girl in the U.S. who one day sees the young athlete Sano Izumi (Oguri) compete in the high jump on television. She begins to idolize him, and decides to move to Japan to attend the same school as him. However, Izumi goes to an all-boys school, so Mizuki disguises herself as a boy to achieve her dream of being with her idol. (taken from jdorama and wiki)

This story is about a girl named Aya who suffered from an incurable disease, but lived her life to the fullest until her death at 25. She kept writing on her diary until could no longer hold a pen. Aya's only wish was “to live." By carefully depicting Aya's earnest desire to live, and the love of her family, friends, and lover, the drama, “One Liter of Tears" wishes to deliver her simple but strong message: “Just being alive is such a lovely and wonderful thing. (taken from jdorama and wiki)