Marcus' demanding father visits, not knowing that his son is getting divorced and that he and Billie are dating. Pregnant Haley asks Dave to act as her husband at a college reunion because she doesn't want anyone to know she's a surrogate mother for a gay couple.
Dave tries to tell Billy that Marcus is involved with Nancy again. Dave first gives the wrong impression when he attempts to warn Billie, but things come to a head when Marcus shows up at his own surprise party with Nancy.
Billie goes on a date with movie star Jake Newman, but he dies during the date and Billie is asked to speak at his funeral service. Dave accidentally proposes to Raquel when she tells him her visa has expired.
Dave is caught up in a jewelry store robbery with Billie on the day of his bachelor party while shopping for a wedding ring for Raquel. Trudy wakes up in the arms of a handsome man who turns out to be an expensive gigolo.
Billie tries to stop Dave's wedding. She takes extreme measures to prevent Dave from marrying Raquel, including seeking out a medicine woman to place a curse on the ceremony. Marcus reconciles with Nancy.