Startling by Each Step / 步步惊心

Link:
http://sugoideas.com/drama-2011/startling-by-each-step/
http://www.viki.com/channels/2978-startling-step-by-step-bu-bu-jing-xin

SUGOIDEA SUM:
Zhang Xiao, a contemporary, ethnically Han Chinese young woman from the 21st century, accidentally travels back in time to the Qing Dynasty period during the reign of Kangxi Emperor after experiencing a deadly combination of traffic collision and electrocution, resulting her somehow reliving the life of one of her previous incarnations and forcing her to assumes the identity belongs to her past avatar: Maertai Rexi, teenage daughter of a Manchu nobleman, who also had a near-fatal incident in her own time which Zhang awakes from.
Being stranded in the past, in the body of a centuries earlier incarnation of herself, and believe by many of Maertai’s family and friends that the sudden change of her behavior and memory loss is resulted of her head injury, Zhang Xiao awares that there will be a dangerous power struggle known to history between the scheming princes for the throne, which will results Aisin-Gioro Yinzhen to succeed as the Yongzheng Emperor after his father’s death. Zhang Xiao tries to change the future outcomes for the better, hoping to prevents any casualty as written in the future without interfering a man’s destiny, while trying to find a way to return to her time period. However, Zhang ultimately realizes that, not only she fails to alter the course of the approaching events, but also, under a predestination paradox, she is fated to become an instigator of the tragedy she tries to prevent resulted by her actions in the past and the princess’ romantic affections towards her.