“Time heals all wounds” is being put to the test. Leaving Kari was Peter’s biggest mistake, and 20 years later, he is finally ready to win her back. A Minnesota high school reunion provides the charmed backdrop for Craig Wright’s story of first loves, lost loves, and the past we can’t erase. Sanguine Theatre Company celebrates its 4th season with this poignant, funny play — the perfect show for a summer evening.