Ben Wheeler (Jean-Luc Bilodeau), a flair bartender in his 20s becomes surprised when Emma, a baby girl, is left on his apartment doorstep by Angela, his ex-girlfriend.
Bonnie is worried that the guys can't handle taking care of Emma. Ben, wanting to avoid his mother's "I told you so" and prove he can handle taking care of Emma, acts as though he has everything under control.
Ben and Tucker take baby Emma to her first doctor's appointment, and Ben ends up asking her nurse, Cassie (Briana Lane), out on a date. Meanwhile, Tucker mistakenly washes Danny's lucky jersey.
The guys appreciate all of Bonnie's help, but she is starting to become a little too overwhelming for them - showing up unexpected at their apartment at all hours.
A baby shower is thrown at the Wheeler apartment for Emma and Bonnie gets her a girly stroller that the guys take back to exchange for a much cooler one that attracts women.
Riley is voted team captain of Ben and Tucker's softball team but takes it too seriously. Danny gets upset when he discovers that his mom is dating Hank, his coach.
Ben and Tucker decide to let Ava, a girl they both met in a concert, decide who she will date. When Danny is asked to give a speech, he gets so nervous that Riley decides to help him.
Ben decides to sign up for a "Mommy and Me" class where he meets Izzy, single mother who is very strict on baby proofing. Tucker and Danny are forced to watch the boxing match in the old laundry room after they get kicked out of the apartment by Ben. Bonnie and Riley get arrested.
Ray, Danny and Ben's father, arrives at Ben's apartment for Christmas. Ben takes this opportunity to try and get his parents back together but soon discovers that his dad is actually gay. Riley and Tucker are riding in the car with boxes full of costumes when Tucker finds Danny's old journal. He discovers that his crush, "Girl X", is actually Riley.
Riley is planning a wedding for her friend, Katie, and gets everybody involved. However, things soon get awkward when Ben and Katie wake up to find themselves in bed together. Katie feels so guilty that she calls of the wedding until Ben convinces her to go through with it.