Just like what they say, there might be different versions of you in an alternate universe, but what happens when you wake up and suddenly find yourself into one of those realities? Choi Soobin, a sleep deprived psychology student who has been denying his feelings towards his childhood and long-time best friend, Choi Yeonjun. What happens when one day he wakes up in a reality far from what he's used to, but what if, he keeps waking up in different realities. Will he be able to take it?