Frank goes missing and turns up in Toronto, tries without success to embrace sobriety, and bends the law to protect his disability checks; Fiona falls for Steve, a handsome player with a nice car, a fat wallet, and a big secret; Ian embraces his sexuality, much to the chagrin of his brainy brother Lip; Debbie goes too far at a child's birthday party; Monica shows up with an announcement about baby Liam.