How to get away with murder ( on hold till June 2020)

What if Lila had a little sister named Lily she was friends with Rebecca when the twosome find out that in the water tank they make it their mission not to tell anyone. But when Wes comes into the picture Becca and Lily are taken hostage and forced to tell all of them what happened that night. Lily is a 17-year-old girl,Lila was a 21-year-old,And Rebecca was a 21-year-old girl