When a barrage of musical numbers hits Ponyville, Lyra's fear of their mind-altering properties strains her relationship with Bon Bon to its breaking point.
Prejudice has moved from interracial couples to gay couples. Lyra and Bon Bon get married and taste this head-on. Applejack starts coming out to her family and friends, with Twilight's help. Derpy's children are adopted.
Even the closest of couples can experience turbulence; it's climbing over the obstacles that block their path that pulls them that much closer. Can Lyra and Bon Bon dispel their troubles in time?