Based on the 1976 Martin Scorsese film, Taxi Driver. Tabby Buckle is a lonely, depressed yellow rickshaw driver who spends each day ferrying ponies to and fro on the streets of Manehattan. However, of the millions who live in the teeming, cold metropolis, she is friends with not one of them. As news of Princess Luna's return seems to elevate everypony's spirits, Tabby slips further into darkness as she finds that she cannot readily relate to anypony around her. As her vindictiveness continues to boil she increasingly finds herself contemplating the worst. Where will this isolation take her? Can she be saved? Is there anypony out there who can teach her what friendship feels like?