Episode 1 – "Mysterious Ways"
After successfully rekindling their relationship, Louisa and Martin are living together again, but Louisa finds herself juggling too many responsibilities at once. As Portwenn prepares for a wedding, Bert hopes to profit from the festivities.
Episode 2 – "Sons and Lovers"
With Janice's departure, Martin and Louisa need to find day care for James, and they settle on Portwenn Tots. Ruth considers selling her farm, and Al's stress level takes a toll on his body. Guest star Art Malik (Jewel In The Crown; Upstairs Downstairs)
Episode 3 – "Farewell, My Lovely"
Louisa's stress is compounded when she must take a group of students on a sailing trip. Ruth's decision regarding the farm causes trouble for the Large family enterprises, and Morwenna and Al throw an event to launch Al's new business.
Episode 4 – "Faith"
Morwenna's missionary parents pay her a surprise visit and are taken aback by her relationship with Al. As Louisa starts her new counseling course, Penhale investigates a break-in at the school, in which nothing was stolen. Guest stars Kevin Doyle (Downton Abbey) and Rebecca Lacey (Monarch of The Glen)
Episode 5 – "From the Mouths of Babes…"
With James teething, Martin and Louisa are desperate for more sleep. In an unusual display of mourning, Mrs. Tishell closes the pharmacy, inconveniencing everyone. Meanwhile, Al needs Bert's help to get the whisky business back on track. Guest Star Caroline Quentin (Jonathan Creek; Men Behaving Badly)
Episode 6 – "Accidental Hero"
Penhale decides to have a police open house to raise community awareness, but the turnout is not what he hoped for. James goes through a biting phase, and Morwenna leaves the surgery for a weekend away with Al. Guest Star Caroline Quentin (Jonathan Creek; Men Behaving Badly)
Episode 7 – "Blade on the Feather"
Penhale and Morwenna participate in the annual gig race against another town. Louisa buys a new car, and Martin's blood phobia causes a disaster with a patient.
Episode 8 - "All My Trials"
Martin stops practicing the week before his hearing, but patients continue to solicit his advice. An American tourist asks Mrs. Tishell for help, and Penhale commissions a bust of himself. Guest star Sigourney Weaver (Alien; Gorillas In the Mist)