Raina has come to terms with the fact that she won't live past her 18th birthday. She spends her time trying to help out the world as much as she can, mainly through volunteering at her local hospital and anonymously creating music for the world to enjoy. However, the summer before her 16th birthday, an unexpected catastrophe forces her to reunite with her childhood friend, Vi, who encourages Raina to enter the lottery for a brand new revolutionary school. From that summer onward, Raina's life flips upside-down, from meeting her idol to the return of a deadly virus that killed 2.3 billion people and was thought to have been eradicated 16 years ago. Throughout everything, Raina's life takes on a new meaning and she finds that she's not quite that ready to die after all.
Zarah is a young , beautiful , stunning girl who resort to drugs when her sister , Saira, shuts the world out after their mother's death . Their relationship crumbles down as years pass and until one day Saira commits suicide on Zarah's 16th birthday. All Zarah has left is her dad and Saira's Best friend , Diya.
Diya runs out on Zarah and it takes a huge toll on her. Her addiction becomes graver rapidly . Until one day Diya comes back to save the only person that linked her to Saira...
Fate comes into play when Diya tries hard to help Zarah and in midst of struggles they find themselves with the reason for Saira's suicide.
All they have is a few bruised memories and a riddle to find out the truth which may help Zarah to find closure.