When Mary triumphantly announces that she's earned her driving permit, Simon and Lucy announce that they're going to ride the school bus. The cool kids at the back of the bus ostracize Simon and Lucy doesn't fare any better when a presumptuous freshman puts the moves on her. Matt is on his way to school when he spots a pregnant girl stranded on the side of the road. When he takes a look under the hood of her broken down car, the girl takes off in his car. As the children pile off Simon's bus, a tough kid, Nick, starts to bully nerdy Marvin for a copy of his essay. Simon intervenes and suggests that Marvin help Nick write his own assignment and Nick gives Simon's plan a thumbs- up. Eric pays a call on Elizabeth Brown, a parishioner who lost her son three years ago. She tearfully confides that she just can't seem to get past her grief. Eric suggests that she spend a little time each day doing something for herself. Later at the beauty salon, Elizabeth overhears a woman joyfully exclaim how happy she is just to be alive. Elizabeth finds out that the woman had undergone a heart transplant. Matt is relieved when the police arrive on the scene of the car jacking, until they arrest him for suspicion of grand theft auto! Later, Elizabeth asks Eric if he would find out if the woman from the salon was the recipient of her son's heart. The next day, Eric meets Carolyn, who is upbeat and delightful, but not the recipient of Elizabeth's son's heart. Later, Eric and Sgt. Michaels track down Theresa, the pregnant teen who stole Matt's car, and set up a meeting with her parents. At school, the girlfriend of Lucy's freshman admirer warns her to quit riding the bus. Mary refuses to help Lucy because she's hurt that Lucy won't ride in the car with her. That evening, Theresa's parents arrive at the Camden's and remain cold and unrelenting. Two weeks later, Elizabeth, Carolyn and Theresa happily join Eric in his church office. Eric had suggested that Theresa move in with Elizabeth, and .. _

Eric threatens Robbie with eviction because he thinks he's keeping secrets about Mary. The house is abuzz with secrets and preparations for an elaborate surprise party for Eric's birthday. Johnny drops Mercy on the Camdens' doorstep after Frankie abandons them. Mike trusts Lucy enough to look after his mother for a day, during which the woman surprises her, both by speaking and by what she says.