When fussy Felix becomes suicidal over his impending divorce, he accepts an offer to move in with his best friend, messy Oscar. Felix drives Oscar crazy with his obsession over his soon-to-be ex. Oscar tries to get him out of his funk by arranging a double date with two wacky British neighbors, Cecily and Gwendolyn. When the plan backfires and Felix grows even more despondent, his friendship with Oscar is put to the test.