When married rich suburbanites Daniel and Melody host a lavish dinner party for friends Brianna and Lawrence, there is more on the menu than appetizers and dessert. Lawrence and Melody have been having a not-so-secret affair, and Daniel and Brianna both fantasize about exacting their revenge. The lines between fantasy and reality get blurred in dark and delightful ways in DP World Playground Hills’ “Sinners’ Dinner: Part 1.”