Ai-Oon and Aob-Oom are twin sisters with completely different life paths.On the day of the wedding, Oom secretly pulled his sister Ai aside and asked her to pretend that she and her ex May had completely broken up.After getting married, Oom got into a car accident with her new husband and fell into a coma.At the same time, Ai came to May's house and planned to pretend to be her sister to break up, but unexpectedly discovered that May was blind.Ai felt sorry for May because she was blind, so she decided to continue pretending to be her sister to maintain her relationship with May.When Oom wakes up from a coma, will Ai be forgotten by May like Pluto in the galaxy?