Yesterday's Song. Tomorrow's Mission.

When childhood friends and former high school sweethearts, Sophie and Dylan, reunite years after a heart-wrenching breakup, their past comes flooding back to them.

She left him with a letter on his bed, no explanation why she left, only that he shouldn't come look for her.
Over the years she has built walls around her heart after her mother's death, numbing her pain with alcohol and intense workouts she nearly forgot about him. Key word being almost.

He, on the other hand, channelled his grief and loss of losing the only woman he loved into music, rising to fame as a singer. Living his life in New York, traveling for tours and releasing his first album.

Now, they're brought back together, but she's living a double life as an undercover confidential informant (UFC) for the police while embedded in a notorious biker gang involved in gun and drug trafficking.

He's determined to save her from the danger she's in, still carrying the torch for her after years of heartbreak. But his manager is dead set against their relationship, fearing it will tarnish his reputation and jeopardize his career.

Meanwhile, she's torn between her feelings for him and the need to keep him safe knowing that her world is too dark for him to be a part of.
As their friend group tries to reunite after years of drifting apart with an upcoming wedding, they're forced to confront the unresolved emotions and unfinished business between them. And it makes her plan of avoiding the one person she wanted to leave behind much harder when she gets a letter at her front door.

Despite her best efforts to push him away, he refuses to give up on her. But as they navigate their complicated past and the treacherous present, they must confront the ultimate question: can their love survive the danger and secrets that surround them, or will it be the very thing that tears them apart forever?