In Sheffield in 1989, teenagers Daniel and Alison meet at a house party and bond over their shared love for music. The relationship they forge that night follows them forever.

In Sheffield, 1989, Daniel and Alison's relationship is beginning in earnest. As they trade mix tapes back and forth, their passion for music and feelings for one another continue to grow.

In 1989, Alison's home life goes from bad to worse as she takes on caring for Peter. In 2015, Daniel struggles with Alison's revelations of what occurred during their relationship twenty years ago.

In 1989, Daniel is left reeling and heartbroken at Alison's sudden disappearance. In 2015, a surprise betrayal takes Daniel by surprise, but he has to fight for what he loves.