Joan Girardi thinks she hears someone calling to her in her room in the middle of the night, while her police-chief father Will is investigating a murder of a woman. The next day, Joan sees someone spying on her from their yard and Will wonders if it was the murderer, who left behind no clues but a footprint. On the city bus toward school, Joan is approached by a boy about her own age who apologizes for startling her that morning, know many details about her life - and claims that he is God. He tells Joan that he wants her to apply for a job at a bookstore in town. ...
Joan sees a newscaster on TV speak to her as God, but doesn't get to see what message He has when Will turns it off. The next day, God tells Joan that he wants her to take pride in her work and stop shirking. Joining the Advanced-Placement chemistry class that Luke is already in, Joan gets to work with Gothic rebel Grace Polk, and intelligent but distant suspected drug-user Adam Rove. Will attempts to solve an arson case, but has to deal with political opposition. Helen wants Kevin to start moving on in his life by learning to drive a car with hand-controls, but he is...
God, as a postal worker, delivers a book on chess on Joan, telling her to learn to play. Meanwhile, several of Joan's classmates want her to discover whether Grace Polk is homosexual. Will reluctantly accepts the help of a psychic while trying to find a missing child, struggling with his doubts about her alleged gift.
God asks Joan to hold a yard sale. While Will gets involved in a pending rape case, Joan's mother is reminded of an unpleasant piece of her past. Kevin gets a job as a fact checker at a local paper but reacts badly when he overhears some of the staff discussing him & his disability. Meanwhile a suave young radio DJ from the high school flirts with Joan.
God suggests that Joan try out for cheer leading. Will looks for a mother who abandoned her baby in a dumpster. When leads point to Joan's high school, Helen is asked to copy and distribute a list of "bad girls" composed by the vice-principal and she gets involved as well. Meanwhile Luke stresses over whether his being attracted to a girl who's commonly thought to be a lesbian might mean that he's gay.
Gad asks Joan to be on the lookout for people needing help and she ends up babysitting for an overstressed waitress struggling with her job, a death obsessed child and night-school. Meanwhile Will is dealing with the fall-out from a possible case of police brutality and Helen talks to a priest about grieving. Kevin hears about the police brutality/racism issues at work and Joan learns why Adam hates November.
God asks Joan to keep Adam's work out of the school art show but Joan is clueless as to how. And could it be that it wasn't really God asking? Meanwhile, Kevin accidentally shoplifts a CD but the clerk's pitying reaction causes him a crises that ends up involving Luke. Meanhwile Will is considering whether or not the shooter of an armed burglar should be brought to trial and the question reawakens some of his past feelings surrounding his shooting of a bank robber.
God asks Joan to ace her history test - on Joan of Arc. In doing so, Joan is accused of cheating (she's usually a C student) and Grace starts a revolution on her behalf. Meanwhile, the family go to a counselor as Will's job is becoming increasingly stressful.
Joan takes her driving test on instruction from above. Will Girardi follows through on his new "no tolerance" policy and ends up taken hostage. Luke gets special permission to drink coffee for the "trimathalon" at school, and Helen takes a pregnancy test.
God asks Joan to ask an unhappy troublemaker to the school's semi-formal dance. Meanwhile Luke is pleasantly baffled by Grace when he approaches her to remind him of their working together in the science fair and they end up going to the dance together. Adam goes to the dance stag as he's still on the outs with Joan after she destroyed his sculpture. Meanwhile Will uncovers evidence that the corruption of his predecessor may have been more widespread than originally thought.
God appears to Joan as Rocky, the young boy that she babysat with Cystic Fibrosis. He asks her to read the paper and it turns out to be his obituary. At the cemetery after the funeral, Joan and her mom run into Adam and his father. When Joan learns how Adam's mother died and that Adam is no longer making his art she becomes concerned. Meanwhile the Chief is feeling the ramifications of the FBI corruption investigation. The governor dissolves the city government of Arcadia including the police force and the Sherriff's office will be taking over. While the Sherrif makes...
God tells Joan to throw a party while her parents are spending the weekend at a spa. Joan and Adam are unsure of what to do about the kiss they shared and Kevin and Rebecca grow increasingly aware of the sexual tension between them.
God asks Joan to join the debate team. When Joan's assigned debate partner is a profound stutterer Joan decides that her mission is to cure his stuttering, however when their assigned topic deals with security and metal detectors in schools, Grace and Joan lock horns. Meanwhile Luke explores the possibility of Glynis as a romantic interest, Kevin has a crisis of confidence about dating his boss, and Helen considers becoming an art teacher.