It Takes Two

Chloe and Sarah bestfriends/sisters for life. But one tragedy tests theirs friendship when Chloe dies from an accident leaving Sarah alone and devastated. As Sarah grieves for the death of her best friend, they meet again in a very unexpected way.
They made a deal in taking turns in using Sarah's body which results in falling in love with the same guy, Adam Guleff. But once he knew about it, who will he choose?