The week ahead in L.A. theater, Feb. 11-18: ‘4Play: Sex in a Series,’ Patti LuPone and more

Capsule reviews are by Philip Brandes (P.B.), F. Kathleen Foley (F.K.F.), Margaret Gray (M.G.), Charles McNulty (C.M.) and Daryl H. Miller (D.H.M.).

Openings

The Cake A lesbian asks her late mother’s best friend to bake a cake for her same-sex wedding in Bekah Brunstetter’s new comedy. La Jolla…