Tragedy strikes, throwing the spotlight on a key suspect and forcing Gail to face the truth of who her husband is. Meanwhile, Linus and Caitlin's relationship deepens and Everett's taste in women gives Fiona cause for suspicion. Seth's 'other side' takes him to a place that leaves him wondering if he can trust Steve. And as Alan's inquest looms, he and Fiona struggle to deal with the accusation of assault leveled against him, as well as an increasingly disturbed Charlotte.