Nick throws an engagement party for Mike and Katie at Yo's but Katie isn't sure Mike is doing the right thing when he calls Jack and Carly over to join them. Paul wants to go to the memorial service because he needs to know if his family forgives him, but Meg refuses, insisting she go in his stead. She's furious when he shows up and is nearly caught by Emily. Casey can't understand why Maddie is blowing him off for a guy in her calculus class until he realises she overheard what he said to Margo. Source: tv.com (thetvdb.com)