Doopsy!

Two estranged sisters, Diane and Jess, reluctantly meet for dinner in Manhattan. Diane, the older sister, brings along a Doopsy button, a device she uses in couple's therapy that allows a client to metaphorically "take back" a regretful or hurtful comment. Jess quickly discovers that for her it works a little too well, as she is sent a few minutes back in time whenever the button is pressed.