This is a story of four curious girls each of whose problems originates from family problems and lack of familial love. The only remedy for them is friendship that helps unwound their trauma. They leave all their troubles behind and create their own world upon which drugs grant them the way out, and along that path they are confronted with their fates together. There is just a drug to soothe the heart. Until the end, it became a huge problem that they had never expected from a small step that wanted to try to take it too far to go back. When they realized it again, they could only feel "regretting" the moment of them life. The bad thing And it's a big lesson at the price of your whole life.