Dae-jin still lives with his brother and his wife Eun-soo, who have a very romantic relationship togehter. The same day and the same moment, both brothers get into different car accidents. Dae-jin survives, but his brother dies. Eun-soo starts taking care of him, but she worries about his sudden change. Dae-jin acts and talks just like her deceased husband. Is there a possibility that they exchanged bodies in the clinical stage? Confidently paced metaphysical thriller, about a man who may or may not have designs on his late brother‘s wife, did strong initial business on opening week.