"Can you imagine, if a woman from my past popped up and said I had a teenage son?" – Josh has no idea just how right he is when he says those words to his friend Ben. Soon, a call from London is about to change his whole life.

Josh shares the news of his newly-discovered son with his dad. On Callum's 16th birthday, father and son finally meet for the first time. Callum gets even more than he bargained for when using the urinal next to his dad. 

After a bad date, Josh takes things in his own hands... until he's interrupted by his father. Callum wanders the streets of London's gayborhood, before having lunch with his dad and coming up with a sneaky plan.

Josh starts to get close to a person on a dating app... without knowing who's really behind the profile. Callum goes to a Halloween party at his father's new flat, where the surprises keep rolling, ending in Callum's first sexual experience.

Josh reacts to the shock of walking in on his son and his new neighbor. Later, Callum is woken up by some intense dreams, and revisits a message thread between his father and Cat... which reveals a lot about his dad.

Josh reaches out to his buddy Ben for some fatherly advice. Callum feels nervous as he and his dad finally take a paternity test. Later, Josh asks Cat for some sexy photos... offering his own in return.

Josh confronts Paul for the first time since catching him getting his dick sucked by his son. "Cat" learns more of Josh's dirty secrets and gets a video from him, which Callum is anxious to watch. And finally: The paternity test results are in! 

The results of the paternity test are revealed! Plus, Callum is invited to his very first Thanksgiving dinner ever, new acquaintances are made, and in a burst of spontaneity two people end up sharing a bed for the night.

Callum goes to San Francisco with his dad for the holidays. There, he bonds with his uncle Blake before going inside a sex shop with his father, who decides this might be a good place to get Callum some Christmas presents. 

Josh is sexting with "Cat" while his son is in the next room. Then, Callum comes knocking on the door. On New Year's Eve, father and son share a bed for the second time... when horniness ensues. And one of them isn't as discreet as he thinks.

Callum and his dad are back in London and out for lunch in Soho. They have a chat about what happened on New Year's Eve. Josh has some sexy recollections to share with his son... which leads to both of them getting hard under the table.

Josh struggles to wrap his head around the huge discovery concerning his son and Callum's alter ego. And in a flashback to 2008, Josh remembers a trip from London to California and a conversation with his little brother.

It's St. Patrick's Day, and Callum is off to Ireland with his dad, his uncle Kris, and Kris's new wife. After a long day of celebrating in Dublin, Josh makes himself comfortable on the bed and asks his son for a massage…

Josh reminisces about his brother Kris's wedding, and the surprises he learned there. In Dublin, Josh and his son plan some quiet time alone in their room… until they hear Kris having sex across the wall, making both father and son horny.

Callum bumps into a familiar face in the street; and ends with that face between his asscheeks moments later. Josh gets a phone call about his son. The two go to a sex shop together and have an intimate chat – and a hands-on demonstration.

It's Josh's birthday, and his best friend Ben comes to visit from California. Josh asks Ben to "help out" Callum with his sexuality. The three men go out together and that night, more than one person ends up cumming down someone's throat.

After his very first blowjob, Callum continues to celebrate his dad's birthday along with Josh's buddy Ben. At the end of the night – at Callum's behest – the three of them end up in bed together, and it's time for another first.

It's the end of the school year, and everyone's celebrating. Callum spends the day with his dad, and Josh decides it's time to let the cat out of the bag. After an intimate conversation, the two end up in Josh's bed again, pushing new limits.