On New Year's Eve, married couple and theatre artists Steven and Vanessa, host an annual get-together at their parents' cabin for their oldest friends, struggling actress Sadie and her new surfer/rock star boyfriend Jude, Bryce a repressed accountant, and Jodie, a world-weary photojournalist.

In the near future, Japan is ruled once more by a monarchy. But, rebels opposed to this rule seek to overthrow the government. The House of Takemikazuchi, a band of assassins is hired by the government to suppress the rebels. As a conspiracy from within signals the shadowy organization's impending demise, Yuki, the last of the Takemikazuchi bloodline befriends one of the rebels and seeks revenge against the group's leader. Written by Anonymous