Addicted is a story about the spiritual journey of two brothers - as well as a passionate tale of love and desire between a man and a woman. Dae Jin falls into a deep coma at the same time as his brother Ho Jin dies, both due to car accidents. After waking up again, Dae Jin takes on the habits as well as the looks of his worshipped brother. Things start to get totally out of hand after he falls into an addictive relationship with Ho Jin's wife, Eun Soo. She firmly refuses to believe that Ho Jin's soul has transferred into Dae Jin's body until an astonishing revelation causes her to question her faith.