 Marin explores whether men and women can be friends once they ve slept together, and she s eager to test her theory on her trip to Anchorage with Jack as she can also get a dose of culture there. While there, Jack suffers an allergy attack at the opera and his brother Ian shows up as his emergency contact. In hospital, doctors discover a bullet in Jack s left lung. Elsewhere, Patrick begins to wonder if there is a problem in his relationship with Annie, because she always asks him to leave right after they ve been intimate. Celia finds out the reason - she snores. Meanwhile, Ben gets tired of having to sneak around with Sara and so he asks Theresa to move out.