Maythawadee和Maythawalai是一对亲姐妹，却爱上同一个男子Phakinai。姐姐计划让妹妹嫁给别国国王以摆脱她，因为她知道Phakinai爱的是自己的妹妹。但在妹妹远行时，她的船只卷入到一场暴风雨中，Phakinai拼命保护Maythawalai最终双双遇难。事故之后，姐姐的灵魂被困在水底，不得解脱，她负责守护沉船古物，并杀死试图偷窃的人；而妹妹则转世投胎到一位钻研考古学的上校家中。

Maythawadee and Maythawalai are sisters who love the same guy, Phakinai. Maythawadee sets a plan to send her sister to marry the king of another land to get rid of her because she knows Phakinai loves Maythawalai. During her departure, a strom hits the boat Maythawalai is on and it sicks it. Phakinai tries to protect Maythawalai, however, both of them drown together. Maythawadee's spirit was then caged underwater. She watches and protects any antiquities that fell from boats and kill people who are coming to steal. Maythawalai is then reborn as the daughter of a colonel who studies archaeology.