In a subgenre known for its distinguished wackiness, The After After Party ups the ante of the classic ‘hangover plot’ where close friends try to reconstruct the gory, glorious, and ever-elusive details of Last Night. In a script loaded with rapid-fire non sequiturs, crosses-the-line-twice shock comedy, and excessive blunt force trauma to the fourth wall, Katey Hoffman and Cheyenne Mabberley deliver an inspiring performance as a pair of twelfth graders just trying to find their way to the next party (while debating the metaphysics of which parties have an ‘after’ relationship to which).

Hoffman shines as Fiona, possessed...