Back at the Staircase (2018) online

Barbara had arranged a pre-party dinner for her two daughters and two nephews: Tomorrow was to be the big celebration for her youngest daughter's arson charges being dropped on a technicality. But after too many drinks, Barbara fell down the stairs, cracked her head open, and is now in a coma. Unaware of how long they'll be trapped together waiting for the doctor's call, the estranged individuals' true selves slowly begin to surface