As Charlie and Emma finalize their upcoming wedding details, their friends suggest a trust game where they reveal the worst thing they've ever done. When Emma's reveal turns into a confession from her troubled youth, this throws off everyone as relationships get reevaluated. While Emma is struggling to deal the repercussions of her friendships being shaken, Charlie's faith in the relationship is also shaken. Attempts to work through the complicated feelings only make all the other wedding stuff that must…