Edgar is a bookish transgender boy boarding at Allen Powell High in Essex. While heading back to his dormitory one day he offers a ride to Gimley, the anxious middle child of the successful Pellinore family.
Gimley soon beings an internship in London and they correspond by phone in spite of being in separate places. But as their relationship blooms, Edgar faces the threat of being bullied for his identity and the fear of being rejected causes him to push Gimley away.
Tragedy strikes as Gimley's father falls during a hike and suffers a brain injury while Gabriel, a member of the school's elite Tackers, preys on Edgar and causes him to resume self-harming again. The two boys will have to find courage in each other to face up to the most difficult time of their lives.