Episode 4 (S03E04)

Title: Episode 4 Plot: After uncovering that her closest friend Lillian had a fling with her husband in the seventies, Carol seeks vengeance by alerting the DSS about Lillian's involvement in benefit fraud. Meanwhile, Frank Gallagher, who has been masquerading as Lillian's deceased spouse to collect his benefits, finds himself in a precarious situation as suspicions begin to swirl around him.