The wife of a businessman dies during childbirth, leaving her daughter Monchaya and at the same time the maid runs away from home leaving her newborn daughter Intra. The businessman decides to raise the two girls together to become friends. Monchaya is a sweet and kind girl, Intra is temperamental and angry, constantly envious of Monchaya. As time passed, the girls grew up, but the relationship did not change. Intra searches for ways to destroy Monchaya and causes a car accident on the bridge. But the situation got out of control and the Intra car also fell from the bridge into the river. Intra woke up in the hospital and realized that she was in Monchaya's body. At the same time, in another hospital, Monchaya woke up in Intra's body.