A shocked Ken learns he has a billionaire half sister whom he never knew, but she's concealing a secret agenda when she arrives for a visit.
Ken reluctantly recruits Ivy as Sid's new nanny when a case of mistaken identity leaves him without child care; Rachel meets Ben's new girlfriend.
Ken and Lorna spice up their love life with some estate agent role-playing; Ivy partners with Dylan on his secret enterprise, a marijuana farm.
Ken considers a run for Parliament after a fortune teller in the pub predicts victory; Ivy makes a run of her own at an aging multimillionaire.
Steve throws a divorce party for Ivy and urges her to vent her rage; Ken's snazzy new suit becomes a bone of contention between him and Lorna.
Ivy's unfortunate misuse of a common phrase leads to an untimely death; Ken begrudgingly hosts Lorna's ex-boyfriend at a fundraising dinner.
A campaign mishap with a live microphone jeopardizes Ken's election prospects; Ivy's ex-husband suddenly reappears and tries to get her back.