Jack Harris is looking to take his physical fitness to the next level at Anytime Fitness. And on his first day at the gym, he struggles to manage the barbell press when a striking, fit man, named Dylan Mitchell, comes to his aid. Noticing that Jack is new, Dylan offers to become his spotting partner. With an ideal physique like Dylan’s, Jack takes advantage of his kindness, and agrees. But the post-workout, in the shower room, is where the true gains are made, and where Jack discovers that what happens at the gym, stays at the gym.

At home, alone with his stepbrother, Noah, Benji is persuaded into smoking his first joint, and it goes straight to his head, amplifying the feelings he shouldn't be feeling. After he turns in early for the night, Benji awakes from a terrible nightmare and is unable to fall back to sleep. So, he turns to and seeks comfort with the one person he knows he can depend upon. But Benji may soon find something more than he anticipated when Noah allows him into his bed. Because when the parents are away, the stepbrothers will play.

After being ostracized by his parents at a young age, black sheep Jason Kennedy returns to the one place he swore he would never return to attend his younger brother’s wedding. In the process, he encounters someone from his past and finds an unexpected connection with an unlikely admirer.

Fresh-faced and straight out of college, Sam Tate is looking to make a big impression at his new job at a prominent tech company and with his boss, Vivian Glass. So when she asks him to work overtime, he is more than eager to agree at first. But when Noel Lyons, his senior, volunteers to assist him, Sam is less than thrilled to be working with his biggest competition. After they wrap up for the night, they take the elevator only for a blackout to occur, leaving them trapped inside. As the air grows hot, their clothes come off, and things get hotter.

A weekend getaway at a private lake house with his best friend sounded like the perfect way to unwind after college finals. Except, what Ezra hadn’t accounted for was Greg’s father tagging along. Recently divorced and freshly single, Michael Shaw is hot-as-hell and irresistibly charming.

With his parents out of town for the week, Brett Edwards looks forward to having the house all to himself when he receives an unannounced visit from his father’s best friend and coworker, Eric Colson—the rugged man of Brett’s dreams.

After a grueling day of finals, Darien Walsh returns home to find all his belongings discarded on the curb. His homophobic stepfather has kicked him out of the only home he's ever known, leaving him reeling and alone. With no one else to turn to, Darien reaches out to his stepbrother, Bryan Stone—someone who can relate all too well to the pain of rejection after having been ousted from the same home years ago.

Looking to escape from a disruptive dormmate, Scott Dennis moves into an apartment complex, where he meets his older next-door neighbor, Demetri Kane. But fleeing from one problem only causes another when Demetri kisses Scott, bringing his sexuality into question.

With the announcement of Trish and Mark’s engagement, the Wayne/Petrey clan celebrates. But for these soon-to-be stepbrothers, Grayson and Aaron's celebration has only begun after their parents turn in for the night. Because when the parents are away, the stepbrothers will play.

Adjusting to a new living situation has been less than ideal for college student Grayson Wayne after he is forced to share a room with his stepbrother, Aaron Petrey. But when he gives Aaron a chance and gets to know him a little better, he may find himself coming home more often.