Bae JooHyun lost her precious Seulgi Kang due to a car accident .Months passed by and Joohyun seeked for places to get her out of depression until suddenly she encounters a opening gate to another dimension. There meeting a girl exactly like her lost one , name being Kang Seulgi.

Love is blinding when they meet their ones . Soulmates see a shinning same colored mark on their body when close to the soulmate they are destined to be with. Although some never believed in it and thought everything was a sham, but others waited for their destined true one.