William agrees to bury a convicted murderer despite threats from the victim's family; Mary tries her hand at midwifery; Kate considers losing her virginity to an older man she met at Brendan's football practice.
Rick's bachelor party and Molly's bachelorette party both turn out to be wildly entertaining; and Mary comes to a surprising revelation. Also, William conducts a most unusual funeral for a Chinese man.
Rick searches for the perfect opportunity to come clean to Mary about his relationship with Molly. Also, William's mother dies and he is knocked for a loop when he discovers the extent of her wealth; and Mary's ex-partner unexpectedly turns up on her doorstep.
Mary digs up a secret about William---he's an undertaker---and he worries that their relationship is dead. But Mary is busy with other problems, like a truant son and a mother trying to fix her up with an ex-boyfriend.