Aaron Hayes and Drummer Foss have been happily together for ten years when they discover a mysterious device in a San Francisco alley. It unexpectedly sends Drummer back in time twenty years. He takes the opportunity to stop the abusive relationship that's haunted Aaron before it can start. But what consequences will his interference have on future events? Trapped in the past, Drummer begins a relationship with the younger Aaron as the scientist tries to decipher the enigmatic "needle" and send Drummer back to his own time. Lines begin to blur between the men as they are now versus their counterparts in the future, and events make them question destiny and free will. Drummer is convinced that drastic steps are the only way to preserve the integrity of their timeline and salvage their future love, while Aaron is no longer sure which Drummer holds his heart. Can he bring their two futures together before everything unravels? A Bridge in Glass is a story of fate and purpose, loss and discovery, the real and the intangible, the abstract and the absolute.