Jennifer Niven’s young adult novel is something of a spiritual successor to “The Fault in Our Stars” with two suicidal teens meeting on a school bell tower ledge who come to find they can only be themselves with each other – but as her world grows, his shrinks and she must make a decision. Elle Fanning and Justice Smith take on the lead roles in this Netflix adaptation which hails from “Hearts Beat Loud” helmer Brett Haley.