Robbie and Mark are young Irish musicians, on the brink of massive worldwide success. Robbie is secretly in love with Mark but hides both his feelings and his sexuality to protect their friendship and the band they’ve built together. When Mark begins to suspect that Robbie might be gay, their friendship begins to shift and Mark is forced to confront feelings he never anticipated and question everything he thought he knew about himself.
Spanning more than ten years, the story follows their lives, their rise to fame, and the complicated evolution of their relationship as love, friendship, and ambition become impossible to separate.