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After Tom forbids Carrie to see Sebastian again, Carrie snoops through Tom's work files and uncovers some alarming information about Sebastian's past. Carrie decides to confront Sebastian about what she's discovered and is shocked by his reaction. Maggie deals with her breakup with Walt in the only way she knows how and finds some solace from Dorrit Meanwhile, Larissa takes Carrie, Mouse and Seth to an outrageous performance art club in New York City, which leaves them all feeling self-conscious.