Shane asks Kelly to marry him but his dream turns to a nightmare when she turns him down. Elsewhere, Chesney holds a house party to get close to Sammy, but it all goes horribly wrong. Now that Libby and her mother are firmly nestled in the Gallagher house, Frank 'volunteers' to paint Patty's converted bedroom but, when Frank falls and feigns injury leading to a potentially disastrous face-off with Patty.