 Charlie flies to Chicago to visit Kirsten and is surprised to see her doing good with her life. When Charlie asks Kirsten to come back with him to San Francesco, without telling her mother, he soon realizes that her manic depression is something not easily fixable. Back in San Francisco, Julia takes over the household responsibilities by herself and takes them so lightly that she and everyone else doesn t notice when Claudia is admitted to the hospital with appendicitis. Also, a guilty Bailey, going downward on his relationship with Sarah while trying to stay away from Callie as well as balancing time with his wrestling practice, finally confesses to Sarah that he slept with Callie who surprisingly reacts hurt, but understanding.