Shameless UK (2006) Season: Three Episode 4 When Carol discovers her best friend Lillian had an affair with her husband back in the seventies, she takes revenge by reporting her to the DSS for benefit fraud. Frank Gallagher, who has been posing as Lillian's dead husband and claiming his benefits, comes under suspicion. Carl is in love with Lip's new girlfriend, Emily, but she doesn't know he exists.