Fiona is thrown into chaos by the return of Jimmy. Ian takes Mickey’s baby.

Ian finds himself at the psych ward. Fiona decides between Jimmy and Gus.

Fiona’s plans to announce her marriage unravel. Mickey asks for Lip’s help.

Fiona gets out of jail. Frank is feeling like his old self.

When Rachel makes a promise to Sarah, it comes with a hefty price. Meanwhile, Helena and Gracie work with the Hendrixes, and Donnie takes Kellerman to task. Over at Castor,…

Paul digs and finds the ugly truth behind the Castor Boys’ logbooks of names, pushing him into action. Meanwhile, Felix is desperate for info on Sarah’s whereabouts, and presses the…

Alison must secure a store front in order to take her and Donnie’s business to the “next level”. But things don’t go according to plan when her mother, Connie, proves…

Mark is taken down in a Prolethean shoot-out and Sarah must step in to help. But as Sarah gathers intel that puts her on the trail of the original Castor…

Locke, Eko and Desmond are found scattered about the island after the implosion of the hatch. Locke receives a message from the Island asking him to fix the situation he…