No one would suspect shy Lily Calloway's biggest secret. While everyone is dancing at college bars, Lily stays in the bathroom. To get laid. Her compulsion leads her to one-night stands, steamy hookups, and events she shamefully regrets. The only person who knows her secret happens to have one of his own. Loren Hale's best friend is his bottle of bourbon. Lily comes a close second. For three years, they've pretended to be in a real relationship, hiding their addictions from their families. They've mastered the art of concealing flasks and random guys who filter in and out of their apartment. But as they sink beneath the weight of their addictions, they cling harder to their destructive relationship and wonder if a life together, for real, is better than a lie. Strangers and family begin to infiltrate their guarded lives, and with new challenges, they realize they may not be addicted to just alcohol and sex. Their real vice may be each other.