Bygones - S5.E22

After Maddie passes out Ally finds out she is suffering from a nervous reaction to all the changes in her life, so Ally decides that the only way she can help her daughter is to move back to New York. While the news come as a big shock to the firm, Richard anticipates his wedding with Liza so Ally can attend the ceremony. While spending her last hours in the town, Ally gets a visit from Renee, Georgia and afterwards, Billy as a ghost...