This story is a sequel to Fallout: Equestria - Pip and Tia

Heart's Warming season comes to the post Wasteland, a season of remembering one's true love ones and taking joy in what one has. But every pony has such joy, one mare seeks a loved one that was ripped away from her years ago. Hanging onto to hope she will them the mare pleads to Pip and Tia to help. Will her Heart's Warming wish come true or will they fall on deaf ears?

This is part of the Pip and Tia series but is a self contain a story, no further reading is required. But here is the rest of the series.
Fallout: Equestria - Pip and Tia
Fallout Equestria Pip and Tia: Divine judgment