Friday – Sunday, April 1 – 3:  One Flea Spare.  Set in plague-ravaged 17th century London, a wealthy couple is preparing to flee their home when a mysterious sailor and a young girl try to sneak into their boarded up house.  Now, quarantined together for 28 days, the only thing these strangers fear more than the Plague is each other.  Tickets $8-18.  Post-show chat on Friday, April 1.  University of Hawai`i, Earle Ernst Lab Theatre, 2500 Campus Rd., Honolulu. For…