Leave the Last Light at Horizon(2009)

Leave the Last Light at Horizon is a Thai series about a crown princess sent to Bangkok under the guise of a holiday while her father, the king, recovers from an assassination attempt. To keep her safe during the power struggle that follows, she must hide her true identity. A skilled bodyguard is hired to protect her, unaware she's royalty—he believes she's simply a wealthy businessman's daughter. As the two grow closer, their relationship becomes complicated by the secrets between them and the impossible divide of their social worlds. The series explores whether love can bridge the gap between a princess and a commoner, all while danger lurks in the shadows of palace politics.