Seventeen-year-old Greg has managed to become part of every social group at his Pittsburgh high school without having any friends, but his life changes when his mother forces him to befriend Rachel, a girl he once knew in Hebrew school who has leukemia.
Eighteen-year-old Ash wants nothing to do with senior prom, but when disaster strikes and her desperate friend, Nat, needs her help to get it back on track, Ash's involvement transforms her life.