With Monica around and pitching in, Fiona is able to devote more time to pursuing her GED and seek a promotion at the club; Steve learns Estefania is still in love with her ex-boyfriend, so he and Lip conspire to sneak her beau back into the country. Meanwhile, Ian is busy dodging a vengeful Terry Milkovich; and Lip ponders the possibility that he might be poppa to Mandy's impending arrival.